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Unus Annus
Season 1
Episode 291

Hunting HeeHoo

August 29, 2020

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Unus Annus - S1 - E291

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.

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Unus Annus: Season 1 - 101 Episode s

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.
1x311 - Learning to Use The Force
September 18, 2020
Mark and Ethan play around with Uncle Milton Star Wars Science kit in a joking attempt to utilize the Force, a metaphysical power from the Star Wars franchise capable of attracting and repelling physical bodies at the user's will.
1x312 - Brick Soccer
September 19, 2020
As the title suggests, Mark and Ethan play a game of soccer with a brick instead of a traditional spherical football. Mark names his one-man team Bricksfield Masons and Ethan Treetown Trees, as he happened to be standing under one. The video closes off with Mark attempting to headbutt the brick, before cutting to black with a blood splatter overlapping the end card, implying that Mark cracked his forehead.
1x313 - We Attempt to Make Holy Water
September 20, 2020
Mark and Ethan jokingly attempt to make holy water by consulting a wikiHow guide.
1x314 - We Attempt to Make Holy Water
September 21, 2020
Mark and Ethan jokingly attempt to make holy water by consulting a wikiHow guide.
1x315 - Amy Sent Us a Mystery Box
September 21, 2020
After receiving a Banana Surprise toy from Amy, Mark and Ethan buy several bananas to fill them up with toppings using the aforementioned device.
1x316 - Mark Knows What Ethan Did...
September 22, 2020
Obsessing over his loss at the grip strength test, Mark demonically monologues to himself in a poorly lit room that's plastered with photographs of Ethan's hand grasping his grippers. After some contemplation, Mark proclaims that Nestor's grip was loose, which allowed him to claim the victory he believes was rightfully his.
1x317 - This Video Will Never Make Sense
September 23, 2020
Mark and Ethan rummage through a room filled with items and contemplate what type of video should they make next. After thoroughly exploring the room, Mark decides to jump off the roof and into his pool, with the following scene edited in such a manner to make it appear as if Fischbach actually did it. Due to his fall being obscured by the rough cut, Mark attempts the jump one more time, as Amy gets distracted by Ethan's drawing and fails to capture his supposed descend, much to his dismay.
1x318 - We Attempt to Make UNHOLY Water
September 24, 2020
Mark and Ethan attempt to make the so-called unholy water by using the opposite ingredients from their holy water video.
1x319 - We Will Churn Thy Butter
September 25, 2020
Ah butter... the chicken of the bread. Peasant's Gold! The froth from which deliciousness pours. We discover the long forgotten mythical process by which that golden goodness is churned.
1x320 - Ethan Teaches Mark Gymnastics
September 26, 2020
As an ex-gymnast with almost ten years of experience, Ethan attempts to teach Mark various gymnastic skills. After attempting to do a back handspring, Mark trips and falls backwards, as the video, accompanied by cracking sound effects, cuts to black, implying that Mark broke his back.
1x321 - The Great Ice Cream Cake Race
September 27, 2020
Mark and Ethan compete against each other to see who can eat their ice cream cake faster in thirty minutes or less, with the loser being forced to "walk the plank." After failing to scarf down the two sweets, both of them decide to call it quits and measure each of their cake's weight to see who had eaten the most. With Mark declared the winner, Ethan is forced to walk the plank in a short animation of a painting with their faces digitally inserted onto the two characters.
1x322 - Mark Teaches Ethan to Wrestle
September 28, 2020
As a former high school wrestler, Mark attempts to teach Ethan basic wrestling moves.
1x323 - Ethan Watches as Mark Achieves the Impossible
September 29, 2020
Mark attempts to open Ethan's Starbucks-themed container that's been sealed for over a year. After struggling for several minutes, Mark manages to break open the lid, only to find out that there's nothing in it, despite Ethan's previous claims.
1x324 - Consuming the World's Hottest Chip
September 30, 2020
Mark and Ethan take up Alex Tima's challenge and try out Paqui One Chip Challenge chili pepper tortilla chip.
1x325 - This Video Went Completely Out of Control
October 1, 2020
Mark and Ethan initially attempt to catapult eggs from a ball launcher, before settling on a toss game, as the eggs would get stuck inside the machine. After breaking all of their eggs, the two use a solid ball instead. Mark later comes up with an idea to tape a bread knife onto the end of the ball and see which one of them can make the object land on the knife side, similarly to a game of lawn darts. Following his win, Mark exclaims that he can now kill Ethan, as he proceeds to chase Nestor around the pool with a broken bread knife.
1x326 - The 1000 High Five Challenge
October 2, 2020
Mark and Ethan do 1,000 high fives with each other to prove their friendship.
1x327 - Bobbing For Apples But the Water Keeps Getting Thiccer
October 3, 2020
Mark and Ethan bob for apples in a water container filled with Thick-It Water and Xanthan gum jello powder while being timed.
1x328 - Mark Breaks His Nose On An Aerial Hoop
October 4, 2020
Mark and Ethan practice aerial gymnastics with Vixen DeVille, with Mark ending up breaking his nose against the aerial lyra for a second time in a single week.
1x329 - Mark and Ethan Milk a Goat
October 5, 2020
Mark and Ethan learn how to milk a goat at Gilchrist Farm and later play with piglets.
1x330 - Shooting Archery ON A HORSE
October 6, 2020
Mark and Ethan practice regular and mounted archery at Gilchrist Farm.
1x331 - DIY Minesweeper
October 7, 2020
Mark and Ethan play life-sized version of minesweeper, with the player using a metal detector to locate metal arrow heads, that act as mines, buried beneath Mark's lawn. For each missed, the game master will strike the player with a dodgeball.
1x332 - Literally Finding a Needle in a Haystack
October 8, 2020
Mark and Ethan search separately for a safety pin with its needle exposed in a haystack, each of them being colored in accordance with their Unus Annus personas; black for Ethan and white for Mark. Sometime later, Mark finds the white pin and declares himself the winner, while Ethan gives up after failing to find his for several minutes. In a jump cut, the two are seen arguing over which one found Ethan's black pin off-screen.
1x333 - Drawing on Each Other's Backs in Total Darkness
October 9, 2020
Mark and Ethan attempt to copy each other's drawings in complete darkness with one person drawing on another's back while the other attempts to replicate it by feeling the movement of the pen.
1x334 - This is For FUN and NOT a Fetish
October 10, 2020
Mark and Ethan use a vacuum pump to draw out all the oxygen and seal each other inside a trash bag.
1x335 - Mark Conquers His Fear of Night Swimming
October 11, 2020
Mark and Ethan go for a late night swim in Fischbach's swimming pool where he will attempt to conquer his fear of swimming at night while Ethan taunts him as the Gongoozler, a made-up monstrous sea creature that stalks its prey from below the surface. In a post-credit scene, Ethan, portraying the aforementioned creature, swims beneath and pulls Mark into the water moments before the video comes to an end.
1x336 - The Painful World of Aerial Silks
October 12, 2020
Mark and Ethan practice gymnastics on an aerial hammock.
1x337 - We Bought Every Grinch Costume on Ebay
October 13, 2020
Mark and Ethan try on every Grinch costume Amy could find on eBay to reenact scenes from the 2000 Christmas film How the Grinch Stole Christmas as a means of celebrating an early 2020 Christmas that they are bound to miss out on due to the channel's deletion date being in November of that year. After trying out every available costume, the video ends with the two collapsing onto the ground from a supposed lack of oxygen caused by their tight masks.
1x338 - Pumpkin Taste Tier List
October 14, 2020
Mark and Ethan taste test and rate several types of pumpkins.
1x339 - Learn to Jump Higher in 16 Minutes and 16 Seconds
October 15, 2020
Mark and Ethan compete against each other in a jumping contest in other to improve their athletic capabilities.
1x340 - Bobbing For Literally Anything But Apples
October 16, 2020
Mark and Ethan bob for a variety of foods that are submerged inside a plastic container while blindfolded. Once obtaining the food item, the participant is required to eat it and guess what it's suppose to be, with each correct answer earning them a random amount of points.
1x341 - This Video is Completely Unedited
October 17, 2020
Mark and Ethan make an entire unedited video of them waxing their nostrils.

Unus Annus: All seasons

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

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...)

1x290 - Mark's Outdoor Escape Room

1x291 - Hunting HeeHoo

1x292 - Was 2020 a Bad Year for Unus Annus?

1x293 - Mark Gives Ethan a HOT (stone) Massage

1x294 - We Smell Every Smell

1x295 - How Many Slaps Does It Take to Cook a Chicken?

1x296 - 2 Boys 2 Poops

1x297 - Mark Teaches Ethan How to March in a Marching Band

1x298 - We Finally Drank Our DIY Wine

1x299 - 2 Adults Take a 4th Grade Math Test

1x300 - Making Snow Cones With Literally Anything But Normal Flavors

1x301 - We Attempt Pottery Without Amy's Help

1x302 - Can Plants Feel Pain?

1x303 - How Far Can We Chuck a 16lbs Rock?

1x304 - We Pierced Each Other’s Ears

1x305 - We Ate Dog Treats So You Don't Have To

1x306 - We Accidentally Made an SCP While Amy Was Away

1x307 - BEYBLADE NUTBALL

1x308 - Making the Ultimate Unus Annus Burger

1x309 - Making Soda With Literally Anything But Soda

1x310 - Pee Soda

1x311 - Learning to Use The Force

1x312 - Brick Soccer

1x313 - We Attempt to Make Holy Water

1x314 - We Attempt to Make Holy Water

1x315 - Amy Sent Us a Mystery Box

1x316 - Mark Knows What Ethan Did...

1x317 - This Video Will Never Make Sense

1x318 - We Attempt to Make UNHOLY Water

1x319 - We Will Churn Thy Butter

1x320 - Ethan Teaches Mark Gymnastics