1x1 - Exodus Part One

February 22, 2020

Fleeing the destruction of their home planet Thundera, Lion-O and the ThunderCats land on the world of Third Earth. But their enemies, the Mutants of Plun-Darr have followed them and it turns out Third Earth already has a Mumm-Ra problem.

1x2 - Exodus Part Two

February 22, 2020

Fleeing the destruction of their home planet Thundera, Lion-O and the ThunderCats land on the mysterious, dangerous, all-around awesome world of Third Earth! But their enemies, the Mutants of Plun-Darr have followed them and it turns out Third Earth already has a Mumm-Ra problem - can Lion-O learn the ropes of being a leader in time?

1x4 - Prank Call

February 29, 2020

Lion-O wants to prove to the ThunderKittens that he's not just some boring old adult like Tygra, even if it means ignoring his instincts and messing with an obviously evil crystal.

1x5 - Driller

March 7, 2020

Panthro becomes fed up with having to constantly fix things around the Cats' Lair, which proves to be a problem when an unstoppable drilling robot plans an attack.

1x6 - Secret of the Unicorn

March 7, 2020

A crying unicorn appears at the Cats' Lair and tells the ThunderCats that all of her unicorn friends have been captured; Tygra thinks he's just the unicorn expert to help the last of the unicorns.

1x7 - Panthro Plagiarized!

March 14, 2020

Vultureman has got a brand new invention but there's one big problem: he stole the idea from Panthro! Oh, also Vultureman is using his invention to take over Third Earth. So, there are two big problems.

1x8 - Warrior Maiden Invasion

March 21, 2020

Third Earth is being overrun by super tough, super buff Warrior Maidens and it looks like the ThunderCats are next on their hit list! It's gonna be up to the ThunderKittens to save the day even though the kittens are so small and the Warrior Maidens are so big.

1x9 - Lost Sword

March 22, 2020

Barely escaping the sudden destruction of their home world, Thundera, Lion-O and the ThunderCats crash land on the mysterious and exotic planet of Third Earth, home to the evil Mumm-Ra and a bizarre host of other creatures and villains.

1x10 - The Horror Of Hook Mountain

March 22, 2020

Barely escaping the sudden destruction of their home world, Thundera, Lion-O and the ThunderCats crash land on the mysterious and exotic planet of Third Earth, home to the evil Mumm-Ra and a bizarre host of other creatures and villains.

1x11 - ThunderSlobs

March 28, 2020

Feeling underappreciated by the other ThunderCats, Tygra starts hanging out with Mumm-Ra and cleaning his black pyramid. Whaaaat?

1x12 - Working Grrrl

March 28, 2020

Cheetara is the fastest living being in the universe, until Monkian beats her in a race! Now Cheetara has to find something else to be the best at, while the rest of the ThunderCats find out how Monkian got so darn fast!

1x13 - Mandora: The Evil Chaser

April 4, 2020

Lion-O "accidentally" releases a whole space prison-full of space criminals and winds up on the wrong side of the law. On the right side of the law is Mandora the Evil Chaser, a no nonsense space cop. Lion-O's gonna have to work real hard to prove he's not a criminal, just a little bit of an oaf.

1x14 - Dr. Dometone

April 4, 2020

Lion-O is tasked with mapping the beaches of Third Earth, which leads to him somehow draining the oceans of all water entirely. Woops. But a mysterious scientist with a robotic frog says they can fix everything by traveling under the earth, which is just the kinda crazy adventure Lion-O is all about.

1x15 - Study Time

April 11, 2020

Lion-O never pays attention during Tygra's training sessions so when he's asked to do a pop quiz on "sword magic" he accidentally opens a portal to the Astral Plane and releases the Nether Witch. The Witch imprisons Lion-O and Tygra in her nightmare realm and it's gonna take a lot of studying to figure out a way home. Wonder if the Astral Plane has any great teachers lying around.

1x16 - Mumm-Ra: The Ever Living

April 11, 2020

Every time Mumm-Ra gets a hold of a magic artifact to restore his powers, the ThunderCats just smash it and turn him into a dinky skeleton again. Until today that is, because Mumm-Ra just remembered he's got the Ancient Spirits of Evil, and now he can get swole whenever he wants.

1x17 - Berserkers

April 18, 2020

The Cats' Lair is attacked by gold-loving robot pirates, the Berserkers. This is a good thing, really, since it means Lion-O and the ThunderKittens can ditch their chores and fight robo-pirates instead. Just don't tell Tygra!!!

1x18 - Jaga History

April 18, 2020

Freed from the Astral Plane, Jaga, ghost of the ThunderCats mentor, is now free to visit the Cats' Lair. Which means he can finally tell them why Thundera, their home world, exploded. It's story time.

1x19 - Barbastella

April 25, 2020

While flying with his new invention, Panthro hits it off with a new friend, Barbastella, the Queen of the Bats. Now Panthro needs help getting ready for his big date with her, because it turns out Panthro is terrified of bats. Lion-O and Cheetara are happy to help but, wow, that is a lot to unpack.

1x20 - Adopt a Jackal

April 25, 2020

After a battle with the Mutants, Jackalman gets confused and accidentally returns to the Cats' Lair with the Thundercats, he is the dumbest mutant. Jackalman pretends to be a Thundercat so his enemies won't catch him and the Thundercats pretend to play along because they feel bad for him.

1x21 - Summer Fun Day

May 2, 2020

The Thundercats are exhausted from fighting bad guys all the time so Lion-O suggests they spend a relaxing summer fun day at the beach, with no fighting. Unfortunately the beach is home to the Crabmen, giant, clawed humanoids that fight anyone who steps on their sand. Looks like summer fun day might involve some fighting.

1x22 - Safari Joe

May 2, 2020

While minding her own business, Cheetara is caught in a trap set by Safari Joe, the famously annoying hunter. After escaping, she rallies the other ThunderCats to help her stop Joe once and for all, by turning the tables and capturing him.

1x23 - Ratar-O

May 9, 2020

The ThunderCats have gotten so good at defeating the Mutants of Plun-Darr that it's basically become routine. That all changes with the arrival of the Mutants' old leader: Ratar-O, wielder of the Sword of Plun-Darr. Uh-oh.

1x24 - Prince Starling's Quest

May 9, 2020

Lion-O is happily playing with Snarf in their "Frolicking Field" and doesn't have a care in the world, unfortunately he's accidentally stomping all over the miniature village of the Micrits. The tiny people want to defeat the "giant orange monster" but such a quest would require a brave hero. Luckily, the Micrits have such a hero: Prince Starling. Now, let us the tell you the epic tale of Prince Starling as he journeys to find the fountain of growth and defeat the wicked Lion-O, who has no idea any of this is going on.

1x25 - Lion-S

May 16, 2020

Lion-O and the other ThunderCats are thrilled to meet a brand new Thunderian: Lion-S. She's cool, good at fighting robots and, most importantly, thinks Lion-O and his Sword of Omens are really neat and interesting. Looks like the ThunderCats have a new best friend. Maybe even, a new ThunderCat?????

1x26 - Snarf's Day Off

May 16, 2020

Hey everyone, it's Snarf's monthly day off. That's right, Snarf leaves the Cats' Lair to get a needed vacation by transforming into a normal cat and hanging out with a nice old lady on a farm. But his relaxing day is threatened when Snarf and the nice old lady cross paths with Mumm-Ra.

1x27 - Mumm-Ra of Plun-Darr Part 1

May 23, 2020

The Thundercats' worst nightmare comes true when their worst enemies, Mumm-Ra and The Mutants, team up after Mumm-Ra acquires The Sword of Plun-Darr.

1x28 - Mumm-Ra of Plun-Darr Part 2

May 23, 2020

Chaos reigns over Third Earth now that the Mutants and Mumm-Ra control the Cats' Lair. The Thundercats' only hope is to sneak back in and get a super secret weapon, Panthro has hidden at the heart of the Lair.

1x29 - Mandora's Law

November 2, 2020

Tygra creates a bunch of new laws for Third Earth so Mandora can finally arrest the Mutants. Unfortunately, the ThunderCats are really bad at following their own rules and the Mutants are really good at working around them.

1x30 - Thunder Road

November 2, 2020

When a crate containing fifty Swords of Omen lands on Third Earth, the ThunderCats rush out in the ThunderTank to find then. Unfortunately, The Mutants and Mumm-Ra want the swords too so it's going to a race to get to them! A wacky race, you might say. We won't say that, but you might.

1x31 - Corporate Buyout

November 3, 2020

The Cheetara Corp Employee Retreat gets canceled when Baron Karnon, a mysterious corporate raider, buys them out! Now Cheetara and Jan-Jan must brave the wilds of Third Earth's most dangerous jungles to find the Baron's office and demand a meeting with the man who stole their company!

1x32 - Hachiman

November 3, 2020

1x33 - Schnorp

November 4, 2020

1x34 - Berb-cules

November 4, 2020

When the ThunderCats tell the Berbils to stop building things for the Mutants, they build a giant Berbil named Berb-cules, who takes back everything they ever built.

1x35 - Pumm-Ra

November 5, 2020

1x36 - King of the Machines

November 5, 2020

Barbastella reunites with her ex-girlfriend, the elitist Queen of the Rats. A jealous Panthro installs AI into all the Lair's appliances, to become King of the Machines.

1x37 - Sword Heist

November 6, 2020

When a local sword shop sells an ultra-powerful sword to Ratar-O, Lion-O decides he has to steal it before Ratar-O can come pick it up. Unfortunately, Lion-O is completely against stealing, but luckily, he knows someone who loves to steal... Lion-S!

1x38 - Claudus

November 6, 2020

1x39 - Telethon

November 9, 2020

1x40 - Mall-Ra

November 9, 2020

1x41 - Eclipsorr

November 10, 2020

1x42 - Wizz-Ra

November 10, 2020

The ThunderCats freak out when a spooky ghost dressed like a pharaoh appears in their mirrors! They quickly set about to getting rid of every reflective surface in their lair because that ghost is scary and no one wants to talk to him!

1x43 - ThunderDogs

November 11, 2020

1x44 - Mini Mongor

November 12, 2020

1x45 - Swampy Johnny

November 13, 2020

The Thundercats invite a super cool swamp man into the Cat's Lair who is on the run from some scary looking aliens.

1x46 - Tygra's Garden

November 16, 2020

1x47 - The Spacebeam

November 17, 2020

1x48 - Plundsmas

November 18, 2020

1x49 - Killing Time

November 19, 2020

1x50 - Grune

November 20, 2020

The ThunderCats face the greatest threat of their lives: Grune the Destroyer! He's the ghost of an evil ThunderCat and he wants revenge! HOW ARE THEY GONNA BEAT GRUNE??? You'll have to watch the episode!

1x51 - The First Thundsgiving

November 21, 2020

1x52 - Mandora Saves Christmas

December 5, 2020