

Lion-O and the ThunderCats — Tygra, Panthro, Cheetara, Wilykat and Wilykit — barely escape the sudden destruction of their home world, Thundera, only to crash land on…
TV-Y7 • Kids, Animation • Series • 2020 • 1 season
Starring: Max Mittelman, Erica Lindbeck, Patrick Seitz
Created by: Victor Courtright, Marly Halpern-Graser, Theodore Walter Wolf
S1 E1 - Exodus (1)
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.
Feb 22, 2020
S1 E2 - Exodus (2)
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?
Feb 22, 2020
S1 E3 - The Legend of Boggy Ben
Lion-O has gotten ahold of the last jar of Thundersnaps - the best cookies Thundera had to offer! But a difficult to open cookie jar sends Lion-O and Cheetara chasing down the legend of Boggy Ben.
Feb 29, 2020
S1 E4 - Prank Call
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.
Feb 29, 2020
S1 E5 - Driller
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.
Mar 7, 2020
S1 E6 - Secret of the Unicorn
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.
Mar 7, 2020
S1 E7 - Panthro Plagiarized!
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.
Mar 14, 2020
S1 E8 - Warrior Maiden Invasion
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.
Mar 21, 2020
S1 E9 - Lost Sword
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.
Mar 22, 2020
S1 E10 - The Horror Of Hook Mountain
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.
Mar 22, 2020
S1 E11 - ThunderSlobs
Feeling underappreciated by the other ThunderCats, Tygra starts hanging out with Mumm-Ra and cleaning his black pyramid. Whaaaat?
Mar 28, 2020
S1 E12 - Working Grrrl
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!
Mar 28, 2020
S1 E13 - Mandora: The Evil Chaser
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.
Apr 4, 2020
S1 E14 - Dr. Dometone
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.
Apr 4, 2020
S1 E15 - Study Time
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.
Apr 11, 2020
S1 E16 - Mumm-Ra: The Ever Living
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.
Apr 11, 2020
S1 E17 - Berserkers
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!!!
Apr 18, 2020
S1 E18 - Jaga History
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.
Apr 18, 2020
S1 E19 - Barbastella
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.
Apr 25, 2020
S1 E20 - Adopt a Jackal
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.
Apr 25, 2020
S1 E21 - Summer Fun Day
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.
May 2, 2020
S1 E22 - Safari Joe
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.
May 2, 2020 • 30m
S1 E23 - Ratar-O
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.
May 9, 2020
S1 E24 - Prince Starling's Quest
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.
May 9, 2020
S1 E25 - Lion-S
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?????
May 16, 2020
S1 E26 - Snarf's Day Off
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.
May 16, 2020
S1 E27 - Mumm-Ra of Plun-Darr Part 1
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.
May 23, 2020
S1 E28 - Mumm-Ra of Plun-Darr Part 2
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.
May 23, 2020
S1 E29 - Mandora's Law
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.
Nov 2, 2020
S1 E30 - Thunder Road
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.
Nov 2, 2020
S1 E31 - Corporate Buyout
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!
Nov 3, 2020
S1 E32 - Hachiman
Nov 3, 2020
S1 E33 - Schnorp
Nov 4, 2020
S1 E34 - Berb-cules
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.
Nov 4, 2020
S1 E35 - Pumm-Ra
Nov 5, 2020
S1 E36 - King of the Machines
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.
Nov 5, 2020
S1 E37 - Sword Heist
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!
Nov 6, 2020
S1 E38 - Claudus
Nov 6, 2020
S1 E39 - Telethon
Nov 9, 2020
S1 E40 - Mall-Ra
Nov 9, 2020
S1 E41 - Eclipsorr
Nov 10, 2020
S1 E42 - Wizz-Ra
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!
Nov 10, 2020
S1 E43 - ThunderDogs
Nov 11, 2020
S1 E44 - Mini Mongor
Nov 12, 2020
S1 E45 - Swampy Johnny
The Thundercats invite a super cool swamp man into the Cat's Lair who is on the run from some scary looking aliens.
Nov 13, 2020
S1 E46 - Tygra's Garden
Nov 16, 2020
S1 E47 - The Spacebeam
Nov 17, 2020
S1 E48 - Plundsmas
Nov 18, 2020
S1 E49 - Killing Time
Nov 19, 2020
S1 E50 - Grune
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!
Nov 20, 2020
S1 E51 - The First Thundsgiving
Nov 21, 2020
S1 E52 - Mandora Saves Christmas
Dec 5, 2020
ThunderCats Roar
Lion-O and the ThunderCats — Tygra, Panthro, Cheetara, Wilykat and Wilykit — barely escape the sudden destruction of their home world, Thundera, only to crash land on the mysterious and exotic planet of Third Earth. Lion-O, the newly appointed Lord of the ThunderCats, attempts to lead the team as they make this planet their new home. A bizarre host of creatures and villains stand in their way, including the evil Mumm-Ra, Third Earth’s wicked ruler who will let nothing, including the ThunderCats, stop his tyrannical reign over the planet.
TV-Y7 • Kids, Animation • TV Series • 2020