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TV Shows
Unus Annus
Season 1
Episode 260

A Serious Conversation Under the Stars

July 29, 2020

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Unus Annus - S1 - E260

Mark and Ethan observe the night sky from Joshua Tree National Park, California, waiting for a chance to see NEOWISE, a comet visible from Earth only once every 6,800 years. Throughout the video, the two discuss various topics relating to outer space, such as the ever-expanding universe, existence of extraterrestrial life, human advancement and potential colonization of other planets. Near the end of the video, Mark and Ethan gently sing a portion of "SPACE IS COOL" remix.

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Unus Annus: Season 1 - 101 Episode s

1x210 - Attempting to Build IKEA Furniture Without Instructions
June 9, 2020
Carpentry may have proven too difficult for Ethan to master. Perhaps assembling IKEA furniture is more his speed. Too bad he lost the instructions.
1x211 - Mark and Ethan Become United States Citizens
June 10, 2020
ah, America. Land of the free(?) Home of the brave(?) Do Mark and Ethan have what it takes to be top tier US citizens?
1x212 - We Made Fanart for Each Other
June 11, 2020
Fanart is the purest expression of appreciation. It is love distilled. It is light purified. Today, Mark and Ethan express their undying appreciation for each other through the delightful medium of fanart.
1x213 - Our Fans Try to Scare Us with Their Homemade Creepypasta
June 12, 2020
We tried our best at haunting the internet. But we should have known that we were no match for the demonic artistic ability of our own fans.
1x214 - Recreating Childhood Photos
June 13, 2020
Although we may never be able to travel back to our childhoods, that won't stop us from recreating some of our favorite photos from that innocent time.
1x215 - Will We Break the Boards... Or Will They Break Us?
June 14, 2020
Breaking boards of wood is the foundation upon which all forms of Martial Arts are based on. Karate... Tae Kwon Do...Kung Fu... We attempt to master every single discipline in one fell CHOP!
1x216 - Finding the Most Cursed Image on the Internet
June 15, 2020
BEWARE ALL WHO ATTEMPT TO WATCH THIS VIDEO! It's a curse or be cursed world in here. Actually though, this video is gross and horrible and upsetting.
1x217 - Learning to Cry on Command to Increase Our YouTube Views
June 16, 2020
Mark and Ethan try and force themselves to cry on command by thinking of personal loss and watching emotional videos. At the end of their segment, Mark asks their audience to post a tutorial of them crying on command under the hashtag #CryusAnnus.
1x218 - Pee Sauna
June 17, 2020
Following up on their idea from the Beer Sauna video, Mark and Ethan use their own urine as a vaporized substance for the home steamer.
1x219 - Building IKEA's Hardest Piece of Furniture Without Instructions is Impossible
June 18, 2020
Ikea is known for easy-to-follow instructions for simple pieces of furniture that we are gladly able to hah just kidding this is impossible.
1x220 - Becoming One With the Horse
June 19, 2020
Mark and Ethan attempt to imitate the movement of a trotting horse after seeing an online video of Ayla Kirstine doing the same.
1x221 - The Ultimate Paper Airplane Showdown
June 20, 2020
Mark and Ethan compete against each other to see whose paper planes can travel the farthest, with Mark coming out as the winner.
1x222 - Creating Mark FISHbach
June 21, 2020
Mark and Ethan attempt to portray mythical mermen creatures by putting on large fishtail costumes and swimming in their pool, with the title being a pun of Mark's German surname that means "fish creek/brook".
1x223 - Learning How to Lock Pick (FBI Please Don't Watch)
June 22, 2020
Mark and Ethan attempt to learn lockpicking. They first start out with practice locks before moving onto security lock boxes. Each box contains one of their phones with a six minute timer on them to see if they can get the locks open before the clock runs down to zero. After trying for six minutes straight, the timer sounds off, much to their dismay. At the end of the video, Ethan jokes about needing to take his phone out with brute force, before taking the box out to their backyard and shooting it with a paintball gun.
1x224 - The Most Dangerous Shave
June 23, 2020
Mark and Ethan shave each other with a straight razor. While Mark does a quick and clean shave, Ethan spends several minutes prepping Mark and taunting him with the blade. As Ethan extends the razor, Mark's panicking scream is heard before the scene cuts to black with Helltaker's "BAD END" title card overlapping across the screen, implying that Ethan accidentally killed Mark.
1x225 - Ethan Traps Mark's Soul in the Palm of his Hand
June 24, 2020
Mark and Ethan attempt to read each other's fortune by using palmistry techniques that they picked up from a hand reading guide. Nearing the end, Mark reaches for Ethan's hand to examine a detail he supposedly overlooked. As he places Ethan's palm into the frame, Mark exclaims "it's a clock", with the Unus Annus timer overlapping across it, before the video comes to a close.
1x226 - Bear Trapping 101: An Elegant Knot For An Elegant Beast
June 25, 2020
After practicing a variety of techniques involved with tying knots, the two demonstrate their made up ones on Mark after Ethan stated that a single man could trap a fully grown bear with basic rope binding tricks.
1x227 - 2 Men In a Trench Coat Teach You How to Save Money at the Movies
June 26, 2020
The two reenact the totem pole trench cinema trope, where one child, or in this case Ethan, would sit on another's (Mark's) shoulders while wearing a long trench coat to pretend they're a fully grown adult, usually to sneak into an adult-only facility. In this example, Mark and Ethan pretend to sneak into a cinema while trying to fool cardboard cutouts of various celebrities, historical figures and fictional characters that were used in one of their previous sketches. Nearing the end, as this was filmed during the COVID-19 pandemic, Mark exclaims that they've forgotten their face masks before exiting the make-believe cinema, as the video comes to a close.
1x228 - Building the World's First IKEA Boat
June 27, 2020
Mark and Ethan attempt to build a miniature boat using only IKEA furniture parts and cardboard boxes. Upon completion, Ethan names it "USS Engineer Boy Jr." After sending it afloat in their pool, the two later attempt to board the boat, but end up sinking due to their combined weight overwhelming the makeshift vessel. As it's falling apart, Fischbach and Nestor decide to go down with their craft as the video comes to a close.
1x229 - Ethan Teaches Mark How to Swim
June 28, 2020
Ethan jokingly teaches Mark how to properly swim in his pool in a form of a sarcastic educational video, with its visuals being stylized to mimic the appearance of 1990s VHS recordings. In a post-credit scene, a montage of disturbing imagery with distorted sound plays, as the video closes off to wish Mark a happy birthday.
1x230 - 10 Miracle Products to Give YOU the Thiccest Jaw on Planet Earth
June 29, 2020
Mark and Ethan test out ten different products made for improving a person's jawline.
1x231 - 2 Dirty Boys Wash Their Filthy Mouths Out With Soap
June 30, 2020
Mark and Ethan take turns tasting a variety of flavored soaps to recreate an outdated form of discipline which involved a person, usually an adolescent individual, washing their mouth out with detergent for using, what is considered to be, unacceptable language. This was a very common form of physical punishment in the US from the late 19th to mid 20th century.
1x232 - Mark is Guilty. Ethan Has the Proof.
July 1, 2020
Mark and Ethan use a Smithsonian Fingerprint Kit to investigate a make belief crime scene in search for stolen school supplies. Nearing the end of the video, the two inhale a powder that allows them to go back in time and prevent the crime from ever happening. In a post-credit scene, Mark fingerprints Chica's paw and accuses her of theft.
1x233 - Recreating Mark's Childhood
July 2, 2020
Ethan helps Mark recreate exaggerated versions of his childhood stories.
1x234 - We Put an Apple Watch in a Rock Tumbler
July 3, 2020
Mark and Ethan place an Apple Watch into a rock tumbler, alongside a few pebbles, in an attempt to make it more smooth, leaving the machine running supposedly for three days straight.
1x235 - Dummy THICC for Dummies A Tale of 2 Butts Pushing Our Butts Even Further Beyond
July 4, 2020
Mark and Ethan try out various products designed for strengthening gluteal muscles, such as padded underwear and an electric stimulator.
1x236 - Reverse Engineering a Kite to Steal the Idea of Electricity From Benjamin Franklin
July 5, 2020
Mark and Ethan make their own paper kite, later named Sisyphus, by stitching it together from two separate ones in an attempt to recreate Benjamin Franklin's kite experiment. Once constructed, Mark has Ethan run around his backyard with the kite in hand, as the added visual effects make the video appear more gloomy to imply the coming of the thunderstorm. The episode ends shortly after with a flash of an electrical surge, implying that Ethan's kite was struck by lightning.
1x237 - The Candy Bra Challenge
July 6, 2020
After putting on a candy lingerie, Mark and Ethan compete against each other to see who can eat more of their own two-piece in less than five minutes without taking them off. After five minutes passed, Mark's declared the winner and Ethan is forced to eat Fischbach's candy undergarments, as a form of punishment for losing to him.
1x238 - Mark and Ethan Look at a Puppy for 10 Minutes
July 7, 2020
Ethan pretends to have invented an app for Apple Watch that turns a person's pet into their younger self. As a demonstration, Ethan shoots a beam of light onto Chica to turn her into a puppy. In actuality, the dog in question is a 9 week old puppy named Bodhi and belongs to Evan, one of Unus Annus' crewmembers. After the introduction, Mark and Ethan declare the #BodhiAnnus challenge for their fans to submit artwork of Bodhi to Unus Annus' social media. The remainder of the video is spent with the two of them and their pets playing alongside Bodhi. vvvvvvvvvv
1x239 - Unus Annus Try Pole Dancing
July 8, 2020
Today, we conquer a challenge that has been nipping at our heels since the day we began this journey: Pole Dancing
1x240 - This Is Hiding On Your Body RIGHT NOW.
July 9, 2020
Mark and Ethan use 5 agar plates each to collect bacterial samples from various parts of their body; those being feet, hands, tongue, genitalia and a sample from their cough to be examined at a later date. Three days later, after the bacteria has manifested inside the petri dishes, Nestor and Fischbach examine them under a microscope to see their formation.
1x241 - Tasting Weird Food Combos: Pickles and Chocolate? Ice Cream and Soy Sauce?
July 10, 2020
Mark and Ethan try various sweet and sour food combinations that normally do not complement each other.
1x242 - The Unus Annus Space Program
July 11, 2020
After drinking two large bottles of Doctor Pepper off-brands, Dr. Dynamite and Canada Dry, Mark and Ethan fill up the now empty containers with baking soda and vinegar to make bottle rockets. In the final scene of the video, Mark's rocket is edited with a chroma key technique to appear as if it was leaving the Earth's atmosphere and landing on Mars a few moments later.
1x243 - The Egg Smashing Game
July 12, 2020
Mark and Ethan compete against each other in a made-up egg smashing contest where the goal of the game is to get one's opponent to break the egg in front of them by quickly taking off the plastic cover while both players are simultaneously tapping the top of the lid. Halfway through the the game, the two introduce additional challenges to raise the stakes, including keeping in sync with a metronome phone app that gets progressively faster over time and tapping the lid with their eyes closed. The game eventually ends with Mark winning 5 to 2 against Ethan. As the video comes to a close, Amy suggests for Ethan to cut Mark's hair in one of their future videos, before he quickly exclaims to the editor to cut the video.
1x244 - Can You Bake a Cookie from Cookie Dough Ice Cream?
July 13, 2020
The two attempt to bake cookies by using a small batch of cookie dough ice cream. Mark found the final result satisfying, while Ethan saw it as mediocre.
1x245 - Bleachus Annus
July 14, 2020
Mark and Ethan bleach their clothes. Before commencing with their task, the two ask their audience to participate as well by bleaching their own clothes and posting the results to Unus Annus' social media under the #BleachusAnnus hashtag.
1x246 - Dunking Oreos In Literally Anything But Milk
July 15, 2020
Mark and Ethan dip Oreo cookies in twelve different condiments to see what they would taste like.
1x247 - Preparing a 5-Star Meal for Our Youtube Famous Dogs
July 16, 2020
Our dogs ARE the best. Therefore they DESERVE the best. Chica is not spoiled. Henry is not spoiled. Spencer is not spoiled. We are not accepting questions at this time.
1x248 - DIY Teeth
July 17, 2020
Mark and Ethan attempt to assemble a dental prosthesis. The video's presentation derails over time, as they start gluing the prosthetic teeth to stuffed toys and each other's body parts.
1x249 - How to Escape from a Hostage Situation
July 18, 2020
Mark and Ethan attempt to free themselves after being blindfolded and restrained to chairs with duct tape. Fischbach manages to free himself in six minutes, while Nestor takes upwards of twelve. The second task sees the two trying to undo two sets of binds around their wrists and ankles. Ethan slides his hands out and unties the rest, while Mark brute forces his way from his restrains.
1x250 - Does This Magnetic Skincare Routine Really Work?
July 19, 2020
After applying their facial masks comprised of iron particles and leaving them on for several minutes, Mark and Ethan use a magnet to slowly chip away its texture.
1x251 - DIY Bed of Nails : OH GOD, PLEASE DON'T EVER TRY THIS
July 20, 2020
Please... this is a joke. Don't ever ever ever ever do this ever.
1x252 - The Human Mop
July 21, 2020
Ethan straps various cleaning supplies onto Mark's body in order to turn him into a human mop.
1x253 - Can Sound Therapy Heal All Wounds?
July 22, 2020
Sound Therapy is the art of tapping into the acoustics of the universe to coax the human body to heal itself. Basically we're yelling into our wounds.
1x254 - This Is The Most Dangerous Children's Toy Ever Made
July 23, 2020
Mark and Ethan try out B'loonies, a brand of bubble making toys from Fischbach's childhood that was discontinued due to its toxic fumes and the potential for harmful chemicals to build up inside the straw, making it dangerous to inhale. After shaping their balloon animals, Mark ignites the two figures to see how flammable the chemicals are, which causes them to catch fire and burst immediately, singeing the end of Fischbach's hair.
1x255 - Would Chica Save Us From Drowning?
July 24, 2020
Mark and Ethan spend the entire video attempting to teach Chica how to save people from drowning without any success. The only time the two managed to get her to swim was when Ethan carried her inside the pool.
1x256 - We Do It Better Than Icarus Ever Could
July 25, 2020
Mark and Ethan each build a bird's wing for one of their arms by attaching fake feathers to a piece of cardboard in a sarcastic attempt to outdo Icarus' mythical flight. Nestor and Fischbach's wings consisted solely of black and white feathers, respectively, to reflect their Unus and Annus personas. Once completed, the two join together and fly out of the Earth's stratosphere directly into the sun, where they're confronted by a flaming angelic figure holding a Subway sandwich and a drink, as the video comes to a close.
1x257 - The Beginning of The End
July 26, 2020
The video starts off with Ethan and Mark, portrayed as Unus and Annus, walking towards one another through a semi-arid desert, alternating between each other's slow-paced monologue. Once their paths cross, now exhausted and dehydrated, the two discard their clothes and march towards the barren wasteland in the distance as the video comes to a close.
1x258 - The Annual Unus Annus Dunk Contest
July 27, 2020
After taking turns scoring shots on a Basketball court and not knowing who won, Mark and Ethan decide to play one more round where they form a human totem pole, with Mark carrying Ethan on his shoulders to score one final point. As Ethan's left hanging on the hoop, Mark runs off into the distance, celebrating their joint victory.
1x259 - Ultimate Horseshoes
July 28, 2020
Mark and Ethan compete against each other in a horseshoe pitching contest. After failing to properly land a single horseshoe on the goal post, the two performed, what they considered to be, a series of manly actions, depicted with a short montage in order to enhance their skills. The video ends with a secondary montage of them successfully pitching horseshoes in an exaggerated manner.
1x260 - A Serious Conversation Under the Stars
July 29, 2020
Mark and Ethan observe the night sky from Joshua Tree National Park, California, waiting for a chance to see NEOWISE, a comet visible from Earth only once every 6,800 years. Throughout the video, the two discuss various topics relating to outer space, such as the ever-expanding universe, existence of extraterrestrial life, human advancement and potential colonization of other planets. Near the end of the video, Mark and Ethan gently sing a portion of "SPACE IS COOL" remix.
1x261 - Recharging Our Phones Using Only Brute Strength
July 30, 2020
Mark and Ethan compete against each other to see who can power up their phone first with a hand-cranked electric generator. The loser of the match was required to fully charge their phone using only this method. After some time, Ethan's briefly powers up, but before he could claim victory, Mark jokingly accuses him of cheating and changes the end goal to charging their batteries to 5%. Some time after, Mark's crank breaks off due to his excessive force. Feeling disgruntled, Fischbach replaces his rotating mechanism with a power drill to accelerate its revolution. Although his phone briefly turns on in the background, Mark never notices, as the device overheats from the drill's immense speed and discharges electricity, which breaks his generator.
1x262 - 5 Products to Grow Your Patchy Beard
July 31, 2020
Mark and Ethan try out spray-on facial hair products.
1x263 - Mark Teaches Ethan How to Play the Trumpet
August 1, 2020
As a former trumpeter for Ohio's Milford High School marching band, Mark attempts to teach Ethan how to properly play the instrument, with little to no success. Both of their instruments shared a color that's usually associated with their respective channel themes, Mark's being red and Ethan's blue.
1x264 - Playing Cards: The World's Deadliest Weapon
August 2, 2020
Mark and Ethan compete against each other by using playing cards to pierce a paper-made dartboard. After failing several times, the two nail fruits and vegetables onto the board to be used as a softer goalpost. A few tries later, Mark manages to land their first card against a banana, with Ethan jokingly walking up to the board and fastening his onto the same fruit, as the two celebrate their success.
1x265 - We Lubed Our Floor for a Sliding Competition
August 3, 2020
Mark and Ethan grease their floors to compete against each other in an indoor sliding contest, with Mark coming out as the winner.
1x266 - Breaking Glass With Our Screams
August 4, 2020
Mark and Ethan try various methods to match a champagne glass' resonant frequency in order to break it with their voice. After several attempts without any success, Mark slams the glass across the table and pretends as if they had shattered it.
1x267 - This is Goodbye
August 5, 2020
Mark and Ethan upload one final reminder of how many days remain before the channel's inevitable deletion.
1x268 - Mark and Ethan Share a Drink
August 6, 2020
Mark and Ethan attempt to drink ten shots of apple cider vinegar, each. Feeling nauseous, Ethan drops out after the first shot, while Mark continues by himself up to his third glass. Feeling overwhelmed by the cider's effects, the two take one final shot before ending the video.
1x269 - The Wubble
August 7, 2020
Mark and Ethan play with Wubble bubble ball.
1x270 - Mark and Ethan Shave Chica
August 8, 2020
Seeing as all pet grooming shops are closed in their area due to the COVID-19 pandemic, Mark and Ethan decide to comb Chica's coat themselves.
1x271 - DO NOT TRY THIS UNDER ANY CIRCUMSTANCES
August 9, 2020
Mark and Ethan play five finger fillet, a game where one person places their spread palm onto a hard surface while thrusting a knife (or any sharp object) back and forth between the gaps of their fingers, progressively increasing their speed on each consecutive turn. The knife game's rulesets are purposely designed with the risk of injury, often attracting thrill seekers. Due to the game's dangerous nature, Mark and Ethan used the handle of a butter knife instead of its blade and wore NoCry's cut resistance gloves as a means of protection. After doing a test run, Mark jokingly pulls out a prop gun and uses it to play the knife game together with Ethan. As the video's about to end, a muzzle flash is seen with stock footage of a blood splatter overlaid across the screen, before the episode cuts to black.
1x272 - Judging Your Terrible Unus Annus Ideas
August 10, 2020
Mark and Ethan browse through Unus Annus' social media in search for community video ideas for them to judge as either "Worthy" or "Not worthy". At this point, some ideas were already done, while others were repurposed for a later date.
1x273 - Hydro Dipping A Baby
August 11, 2020
Mark and Ethan empty out various combinations of aerosol paints into a water container in order to hydro dip various items from their past Unus Annus skits, such as sex toys, a bike helmet, dustpan, a paddle, a prop of a human skull, and a plastic baby doll.
1x274 - Popping Popcorn with a High-Powered Laser
August 12, 2020
Mark and Ethan use a high-powered laser to pop corn kernels. This idea was suggested by one of their viewers in "Judging Your Terrible Unus Annus Ideas". After several failed attempts, the two manage to pop a corn seed, each using a hair straightener.
1x275 - Puberty Simulator
August 13, 2020
Mark attempts to help Ethan "go through puberty" by employing several pseudoscientific methods.
1x276 - Grip Strength Test: Loser Becomes the Winner's Butler for a Day
August 14, 2020
Mark and Ethan compare each other's hand strength using grippers. The person that performed worse, this being Mark, had to be the other's butler for the remainder of the day.
1x277 - Momiplier Teaches Self-Defense
August 15, 2020
Mark's mother gives him and Ethan sarcastic tips about self-defense.
1x278 - Transforming Mark into the 8th Wonder of the World
August 16, 2020
Ethan covers Mark's body with gold body paint and poses him as a statue to mimic one of the Seven Wonders of the Ancient World.
1x279 - Playing Children’s Games in Total Darkness
August 17, 2020
Mark and Ethan play a variety of children's games inside an empty walk-in closet that's entirely devoid of light.
1x280 - We’re Better Than Dogs
August 18, 2020
Mark and Ethan manducate on dog's chewing rope to test the strength of their jaws. Failing to make any progress, the two glue leftover fake teeth from their previous sketch onto a knife and start cutting through the rope.
1x281 - The Koala Challenge: TikTok’s Intimate Couple’s Trend
August 19, 2020
Mark and Ethan attempt to pull off TikTok's Koala challenge, requiring for one out of two people facing each other to climb up another's shoulders, crawl over their back and reemerge between the knees, back into their grip. After completing the challenge, Mark asks the Editor to fuse the two in post-production and spin them in unison across the universe, as the video comes to a close on the low quality, digitally imposed cut-outs of Mark and Ethan spiraling into the sun.
1x282 - 1 Gallon of Jello Nearly Broke Us
August 20, 2020
Mark and Ethan push themselves to the limit yet again as they challenge each other to consume 1 gallon (3.8 liters) of pure strawberry flavored jello.
1x283 - Too Many Pickles
August 21, 2020
Mark and Ethan, along with Ethan's dog Spencer, drive to the future location of Camp Unus Annus. Traveling to their destination, Mark uses a variety of animal posters, including squirrels, deer, snakes, bats and bears, to educate Ethan on the many dangers of wildlife that lurk in the woods, as they eat nothing but pickles.
1x284 - Pitching a Tent in the Woods But There's a Bear 15 Feet Away
August 22, 2020
Mark, Ethan and Amy, as the camera operator, travel to the woods in the first installment of Camp Unus Annus where they try to set up a camp via their so-called buddy system, requiring them to work together to pitch a tent while Ethan uses his earbuds to drown out background noise and Mark blinds himself by tying a piece of cloth over his eyes. Once the setup's finished, a supposed bear that's been stalking the grounds from the beginning makes its presence known and lunges at them as the video abruptly ends with a splash of blood across the screen.
1x285 - How to Rescue a Cat from a Tree
August 23, 2020
In the second installment of Camp Unus Annus, Mark and Ethan teach their viewers the importance of the buddy system once again by showing them how to properly rescue a cat that is stuck in a tree using an inflatable Fuzzy Wubble Cat toy for their demonstration. Once Ethan retrieves the toy and throws it to the ground, Mark jumps off and walks away, leaving Ethan stranded at the top of the tree.
1x286 - A Bear Attacked Us in the Middle of the Night
August 24, 2020
Waking up in the middle of the night to a supposed grizzly attack, Mark and Ethan decide to teach their audience how to defend themselves against bears. Later on, the two decide to roll their tent across the field to escape. After which, Ethan tears through the fabric and exits their portable shelter, leaving Mark behind as the tent slowly collapses onto him.
1x287 - How to Safely Bury Your Friend
August 25, 2020
Mark and Ethan teach their viewers how to dig a grave and properly dispose of a recently deceased individual.
1x288 - Team Building for 2: Trust Fall, Tug-of-War, and More!
August 26, 2020
Mark and Ethan participate in a series of group-oriented activities, such as trust fall, human pyramid, tug of war, three-legged race and sack race. Later on they make up their own variations of various camp games, including three-legged tug of war, sack tug of war, egg balance tug of war and three legged egg balance.
1x289 - How to Start a Fire (except don't...)
August 27, 2020
Mark and Ethan sit down in front of a fireplace where they attempt to teach their viewers unorthodox ways of starting a fire, while at the same time strongly advising against it. In the second half of the video, Mark pulls out a fixed blade knife while ominously staring at Ethan who's monologuing to himself about the consequences of taking someone's life. While Mark slowly approaches Ethan, Nestor's Unus persona walks up to the house and presses himself against the front window. Fischbach then proceeds to swing his blade at Ethan, as the scene briefly cuts to black before returning to a shot of the lit fireplace, with the two roasting marshmallows as if nothing happened.
1x290 - Mark's Outdoor Escape Room
August 28, 2020
In the middle of the night, Mark forces Ethan to engage in his outdoor escape room by guiding him through the woods with a pair of walkie-talkies. While looking over various animal posters from their preceding video to Camp Unus Annus, Ethan discovers one additional image titled "Neanderthalensis Marconius," a snapshot of nude Mark crawling out of his pool from one of their previous skits. Turning his attention towards the woods, he spots the aforementioned individual running towards him. Before he could react, the feed cuts off with Ethan's scream being the last thing heard in the video.
1x291 - Hunting HeeHoo
August 29, 2020
Continuing from the previous episode, Mark, now dubbed Neanderthalensis Marconius or HeeHoo after supposedly devolving into a primitive, is loose in the wilderness. Three months later, Ethan comes back with a film crew to make a documentary about Mark's condition, while attempting to locate the individual.
1x292 - Was 2020 a Bad Year for Unus Annus?
August 30, 2020
On the final installment of Camp Unus Annus, Mark and Ethan discuss various subjects centered around their joint channel.
1x293 - Mark Gives Ethan a HOT (stone) Massage
August 31, 2020
Mark gives Ethan a hot stone massage using a stick of butter instead of oils.
1x294 - We Smell Every Smell
September 1, 2020
After playing with and mixing a cocktail of scented oils and ingredients into a liquid air freshener, Mark, Ethan and Amy pass out from the scented chemicals.
1x295 - How Many Slaps Does It Take to Cook a Chicken?
September 2, 2020
Physics is pretty straightforward on this one. Energy in = Chicken out. Conservation of mass or something like that... either way we're eatin' good tonight!
1x296 - 2 Boys 2 Poops
September 3, 2020
Mark and Ethan get their stools analyzed with Viome's Gut Intelligence test.
1x297 - Mark Teaches Ethan How to March in a Marching Band
September 4, 2020
What does it truly mean to be in a marching band? Today, Ethan will find out.
1x298 - We Finally Drank Our DIY Wine
September 5, 2020
Mark and Ethan taste test their homemade wine from "DIY Wine".
1x299 - 2 Adults Take a 4th Grade Math Test
September 6, 2020
Ethan is not very good at math. To prove just how not-good he is we decided to take a 4th Grade Times Tables Math test!
1x300 - Making Snow Cones With Literally Anything But Normal Flavors
September 7, 2020
Mark and Ethan test out a variety of unconventional products as snow cone toppings.
1x301 - We Attempt Pottery Without Amy's Help
September 8, 2020
Mark and Ethan attempt pottery, one of Amy's skills, without her input. Mark makes an ashtray, while Ethan molds a cup.
1x302 - Can Plants Feel Pain?
September 9, 2020
Mark and Ethan attach electrodes to a potted plant in an attempt to see if it can feel any pain.
1x303 - How Far Can We Chuck a 16lbs Rock?
September 10, 2020
Mark teaches Ethan how to play shot put, a track and field event that involves pushing a heavy ball away from oneself as far as possible. However, instead of the usual spherical ball, the two use a 16lbs (7.25 kg) rock. As Mark hurls the last stone towards the camera, the video ends with a cut to black, implying that he struck Amy in the head.
1x304 - We Pierced Each Other’s Ears
September 11, 2020
It’s 2020! Why not get bored and pierce our ears???
1x305 - We Ate Dog Treats So You Don't Have To
September 12, 2020
Mark and Ethan taste a variety of dog food
1x306 - We Accidentally Made an SCP While Amy Was Away
September 13, 2020
Following up from their previous SCP-related video, Mark and Ethan use a number of props from Unus Annus' past sketches to construct a model of Amy as an SCP creature. After finishing their shoot and leaving the set, Amy's SCP model seemingly becomes sentient and begins to stalk the house's residents.
1x307 - BEYBLADE NUTBALL
September 14, 2020
Mark and Ethan use beyblades, a line of spinning top toys, to play nutball, a made-up game where the objective is to send an object tumbling into the opponent's groin. After several attempts to get the tops working, with Ethan's constantly falling apart, the two manage to simultaneously hit each other.
1x308 - Making the Ultimate Unus Annus Burger
September 15, 2020
Mark and Ethan mix and match hamburgers from various fast-food chains to make their ideal patty, later dubbed the Unus Annus Sandwich.
1x309 - Making Soda With Literally Anything But Soda
September 16, 2020
Mark and Ethan use a SodaStream to carbonate various liquids and make a new flavored soda.
1x310 - Pee Soda
September 17, 2020
Following Evan's suggestion from the previous episode, Mark and Ethan use a SodaStream to brew and drink their carbonated urine.

Unus Annus: All seasons

S0: Specials
20 Episode s
S1: Season 1
368 Episode s

1x210 - Attempting to Build IKEA Furniture Without Instructions

1x211 - Mark and Ethan Become United States Citizens

1x212 - We Made Fanart for Each Other

1x213 - Our Fans Try to Scare Us with Their Homemade Creepypasta

1x214 - Recreating Childhood Photos

1x215 - Will We Break the Boards... Or Will They Break Us?

1x216 - Finding the Most Cursed Image on the Internet

1x217 - Learning to Cry on Command to Increase Our YouTube Views

1x218 - Pee Sauna

1x219 - Building IKEA's Hardest Piece of Furniture Without Instructions is Impossible

1x220 - Becoming One With the Horse

1x221 - The Ultimate Paper Airplane Showdown

1x222 - Creating Mark FISHbach

1x223 - Learning How to Lock Pick (FBI Please Don't Watch)

1x224 - The Most Dangerous Shave

1x225 - Ethan Traps Mark's Soul in the Palm of his Hand

1x226 - Bear Trapping 101: An Elegant Knot For An Elegant Beast

1x227 - 2 Men In a Trench Coat Teach You How to Save Money at the Movies

1x228 - Building the World's First IKEA Boat

1x229 - Ethan Teaches Mark How to Swim

1x230 - 10 Miracle Products to Give YOU the Thiccest Jaw on Planet Earth

1x231 - 2 Dirty Boys Wash Their Filthy Mouths Out With Soap

1x232 - Mark is Guilty. Ethan Has the Proof.

1x233 - Recreating Mark's Childhood

1x234 - We Put an Apple Watch in a Rock Tumbler

1x235 - Dummy THICC for Dummies A Tale of 2 Butts Pushing Our Butts Even Further Beyond

1x236 - Reverse Engineering a Kite to Steal the Idea of Electricity From Benjamin Franklin

1x237 - The Candy Bra Challenge

1x238 - Mark and Ethan Look at a Puppy for 10 Minutes

1x239 - Unus Annus Try Pole Dancing

1x240 - This Is Hiding On Your Body RIGHT NOW.

1x241 - Tasting Weird Food Combos: Pickles and Chocolate? Ice Cream and Soy Sauce?

1x242 - The Unus Annus Space Program

1x243 - The Egg Smashing Game

1x244 - Can You Bake a Cookie from Cookie Dough Ice Cream?

1x245 - Bleachus Annus

1x246 - Dunking Oreos In Literally Anything But Milk

1x247 - Preparing a 5-Star Meal for Our Youtube Famous Dogs

1x248 - DIY Teeth

1x249 - How to Escape from a Hostage Situation

1x250 - Does This Magnetic Skincare Routine Really Work?

1x251 - DIY Bed of Nails : OH GOD, PLEASE DON'T EVER TRY THIS

1x252 - The Human Mop

1x253 - Can Sound Therapy Heal All Wounds?

1x254 - This Is The Most Dangerous Children's Toy Ever Made

1x255 - Would Chica Save Us From Drowning?

1x256 - We Do It Better Than Icarus Ever Could

1x257 - The Beginning of The End

1x258 - The Annual Unus Annus Dunk Contest

1x259 - Ultimate Horseshoes

1x260 - A Serious Conversation Under the Stars

1x261 - Recharging Our Phones Using Only Brute Strength

1x262 - 5 Products to Grow Your Patchy Beard

1x263 - Mark Teaches Ethan How to Play the Trumpet

1x264 - Playing Cards: The World's Deadliest Weapon

1x265 - We Lubed Our Floor for a Sliding Competition

1x266 - Breaking Glass With Our Screams

1x267 - This is Goodbye

1x268 - Mark and Ethan Share a Drink

1x269 - The Wubble

1x270 - Mark and Ethan Shave Chica

1x271 - DO NOT TRY THIS UNDER ANY CIRCUMSTANCES

1x272 - Judging Your Terrible Unus Annus Ideas

1x273 - Hydro Dipping A Baby

1x274 - Popping Popcorn with a High-Powered Laser

1x275 - Puberty Simulator

1x276 - Grip Strength Test: Loser Becomes the Winner's Butler for a Day

1x277 - Momiplier Teaches Self-Defense

1x278 - Transforming Mark into the 8th Wonder of the World

1x279 - Playing Children’s Games in Total Darkness

1x280 - We’re Better Than Dogs

1x281 - The Koala Challenge: TikTok’s Intimate Couple’s Trend

1x282 - 1 Gallon of Jello Nearly Broke Us

1x283 - Too Many Pickles

1x284 - Pitching a Tent in the Woods But There's a Bear 15 Feet Away

1x285 - How to Rescue a Cat from a Tree

1x286 - A Bear Attacked Us in the Middle of the Night

1x287 - How to Safely Bury Your Friend

1x288 - Team Building for 2: Trust Fall, Tug-of-War, and More!

1x289 - How to Start a Fire (except don't...)