ThunderCats
ThunderCats was first marketed in 1983, but the series was not released until two years later.
Episode guide
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Exodus
This is the pilot episode and introduction of the ThunderCats. The planet Thundera has become very unstable, and has reached the point of total destruction. The ThunderCats manage to escape…
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The Unholy Alliance
The mutants also manage to land on earth, and they encounter an old pyramid. It turned out to be the home of Mumm-Ra, the ever-living, and they join forces with each other to possess the Sw…
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Berbils
This Episode is the introduction of the Ro-Bear-Berbils. A race of robot bears who live on Third Earth. Lion-O and Snarf get trapped in one of the Ro-Bear traps, but later find they are a f…
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The Slaves Of Castle Plun-Darr
The homeless mutants also make plans to build their home. But it would be impossible for three mutants to do it themselves. They enslave a primitive race of beings called Brute-Men to do th…
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Pumm-Ra
Mumm-Ra finds out that the Kingdom of Webs has a new Queen, Spidera. Mumm-Ra thinks he can lure Lion-O in to Spidera. He transforms into a diamond fairy and casts a spell on Lion-O. Snarf f…
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The Terror Of Hammerhand
Snarf helps a unicorn in danger from a evil group of pirates called Berserkers, and gets captured himself. Lion-O seeks out Snarf, and saves him with the help of the Unicorns, and the Unico…
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Trouble with Time
The ThunderCats, in need of Thundrillium to power their lair and ThunderTank, search third Earth for another source. Tygra finds an enormous source of Thundrillium in a cave near the forest…
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The Tower Of Traps
Wily Kit and Kat save a Wollo from a Robber Baron. The robbers stole the Wollos wedding present for his daughter, and the kittens go looking for the robbers. They enter the Tower of traps,…
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The Garden Of Delights
Mumm-Ra tricks Tygra into eating a drugged fruit that puts him under Mumm-Ra's control. Mumm-Ra commands Tygra to steal the Sword of Omens. Since evil spirits cannot use the power of the Sw…
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Mandora: The Evil Chaser
Lion-O and Snarf stumble upon a portable jail cell, and mistakenly open it up. Three of the galaxy's worst villains escape. One of them, a slick thief, manages to steal Lion-Us sword. Lion-…
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The Ghost Warrior
Two very curious Wollows mistakenly broke the magical seal that imprisoned the ghost of an ancient warrior. Grune the Destroyer. The ThunderCats cannot figure out how to destroy Grune, who…
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The Doom-Gaze
Mumm-Ra wishes to obtain the secrets of an ancient power known as the Doom-Gaze. Ta-She, an evil priestess, is the only one who possesses the knowledge of the Doom-Gaze. Ta-She however, is…
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Lord Of The Snows
The ThunderCats were almost out of Thundrillium, when Panthro discovered a meteor falling from the sky through the Cats Lair. It Turned out to be a fragment of Thundera, and it was pure Thu…
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The Spaceship Beneath The Sands
The mutants ask Mumm-Ra to raise their spaceship that he made sink into a dessert when they first landed on third Earth. He feared the power of their spaceship could destroy his temple. The…
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The Time Capsule
Lion-O becomes homesick, and his memories of Thundera are almost nonexistent. Jaga appears to Lion-O and tells him that on their spaceship, they brought with them a time capsule that was ba…
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The Fireballs Of Plun-Darr
The mutants, once again searching for a way to destroy the ThunderCats, recover some more items from their spaceship that Mumm-Ra generously recovered for them. They take their ships engine…
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All That Glitters
Mumm-Ra tricks Tygra and Lion-O into fighting each other, and Tygra's Bolo-whip destroy the sword of omens. The only way to reforge the sword is in the heat of a star, and coincidentally, t…
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Spitting Image
Mumm-Ra creates device that can make Panthro clones. He embeds the spirit of Hammerhand into his clone and set it free to destroy third Earth. The third Earth inhabitants blame the ThunderC…
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Mongor
Monkian goes to Mumm-Ra and agrees to give him anything if Mumm-Ra will make him powerful enough to rule Third Earth. Mumm-Ra agrees cleverly, and gives him Power Spheres that make him supe…
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Return To Thundera
An evil hunter lands on third Earth in search of prey to hunt. His holographic machine can tell him about all of the ThunderCats, including their strengths and weaknesses, and he is able to…
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Dr. Dometone
In old scientist seeks the ThunderCats to help him save the oceans of third Earth. Long ago, a crack was made in the bottom of the ocean that caused the water to drain into the Earth's core…
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The Astral Prison
Jaga is captured by Nemex, an evil being in the Astral world, and Lion-O tries to find a way to rescue him. Third-Earth legend says that the only person who can transport anyone to the Astr…
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The Crystal Queen
The ThunderCats think that Snarf is getting too old, and that he is not up to doing as much as he is. To prove them wrong, Snarf saves the ThunderCats from another mess. The evil crystal qu…
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Safari Joe
An old iceberg on Hook Mountain begins to melt, and encased in it is an ancient being known as the Ice King. He begins to destroy Snow-Man's castle at the top of Hook Mountain, and freezes…
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Snarf Takes Up The Challenge
The ThunderCats, fooled by Mumm-Ra and the mutants, manage to get caught. All except Snarf. Being the only ThunderCat left, Snarf goes off to save them. His abilities to talk to the wild an…
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Sixth Sense
An alien spaceship crash-lands on third Earth, and it can somehow communicate with Cheetara through her sixth sense. She becomes a part of the spacecraft, and begins to feel what it feels.…
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The Thunder-Cutter
Mumm-Ra summons the great samurai Hachi-Man to seek and destroy Lion-O. He tells Hachi-Man that Lion-O and the ThunderCats are destroying his planet. Hachi-Man and Lion-O confront each othe…
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The Wolfrat
A Mechanical Rodent Penetrates the Cats' Lair, releasing a gas that reduces them to 9 inches. Tygra manages to create an antidote for the gas, just in time to fight the mutants who were att…
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Feliner, Part 1
Vulture-man summons Ratar-O to take him to the planet of the Snarfs to capture one of them and use it as ransom with the ThunderCats. Snarf (Osbert J), thinking his entire race was wiped ou…
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Feliner, Part 2
Vulture-man summons Ratar-O to take him to the planet of the Snarfs to capture one of them and use it as ransom with the ThunderCats. Snarf (Osbert J), thinking his entire race was wiped ou…
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Mandora And The Pirates
Mandora, on space-patrol, encounters an old pirate ship that doesn't meet inter-galactic standards. She boards the ship, arrests the pirate, and sends the ship to a space prison. Little doe…
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Return Of The Driller
The ThunderCats briefly show Lion-O how the time capsule they recovered from the caveman works. Curious to see more, Lion-O activates it during his nighttime watch, and gets caught in it nu…
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Dimension Doom
Wiz-Ra, Mum-Ra's enemy from long ago comes back every 7000 years through a portal that just happens to be in Cheetara's bedroom. Wiz-Ra wears on his head a magical helmet that lets him cont…
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Queen Of 8 Legs
Driller, Mumm-Ra's servant who captured Panthro for him in Spitting Image, returns to aid Mumm-Ra once again. His job this time is to drill a hole from the Cat's Lair to the Acid Lake, allo…
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Sword In A Hole
Mumm-Ra hires Captain Schiner no send a fake distress signal to the ThunderCats. With their new vehicle, the Feliner, the ThunderCats set out into deep space to help the "ship in distress".…
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The Evil Harp Of Charr-Nin
Wily Kit and Kat find an ancient Harp that has a genie in it. His name is Char-Nin. Mumm-Ra appears to the genie and tells him that if he destroys the ThunderCats, he will be freed from his…
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Lion-O's Anointment:, Part I (The Trial Of Strength)
On Lion-Us 20th birthday, he must pass a set of trials to become the true Lord of the ThunderCats. Even though he is the hereditary Lord of the ThunderCats, he has not proven himself to be…
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The Demolisher
A vagabond space traveler lands on Third Earth to challenge Mumm-Ra to a fight. The Demolisher is victorious against Mumm-Ra and sends him running back to his Tomb. Mumm-Ra acknowledges the…
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Monkian's Bargain
The mutants fail to destroy the ThunderCats in an aerial assault and find themselves stranded on a far part of third Earth inhabited by the good Mumm-Rana. She is suppose to be the exact op…
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Tight Squeeze
After the Mutants fail to ambush and defeat the ThunderCats with Vultureman's new Thundrainium cannon, Vultureman, furious about the failed attempt and the loss of his weapon, activates a s…
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The Micrits
Wily Kit and Kat accidentally free an ancient monster that was banished to an old shrine centuries ago. The evil monster, Mongor, begins to destroy the planet, and is much stronger than the…
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Lion-O's Anointment:, Part II (The Trail Of Speed)
On the second day of his trails, he must race Cheetara through the dangerous lands of third Earth. Although Cheetara is by far the fastest among the ThunderCats, her speed can only last for…
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The Rock Giant
Mumm-Ra transforms himself into a Ro-bear Berbil (a ThunderCat ally). He acts hurt and the ThunderCats let him stay at Cats Lair. One night, Mumm-Ra (the Berbil) puts all the ThunderCats un…
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Jackalman's Rebellion
The normally submissive JackalMan decides to start his own army in hopes of conquering Third Earth by himself. He does manage to give the ThunderCats trouble, but soon he is defeated and en…
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Turmagar The Tuska
An evil robot monster is attacking the Tuska Village, in an area unexplored by the ThunderCats. Turmagar, the leader of the Tuskas, travels to the Cat's Lair to ask for aid in defeating the…
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Lion-O's Anointment:, Part III (The Trial Of Cunning)
Wily Kit and Kat stand in Lion-O's way on the third day of his trials. Lion-O must beat them through the maze of infinity. Attempting to stop Lion-O and slow him down, the kids set traps in…
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The Mumm-Ra Berbil
Lion-O takes up mountain climbing, but during one of his climbs, The Mutants attack him with a Thundrainium gun, Lion-O calls the other ThunderCats, but an avalanche traps Panthro, Tygra, S…
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Mechanical Plague
Panthro invents flying video cameras which are suppose to record the events that take place on third-Earth so they could create their own holographic time capsule. Mumm-Ra, in hope of destr…
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Trapped
When a big storm hits Third Earth, the Thunderkittens are trapped in an old space capsule. Meanwhile, Tygra and Cheetara almost crash the Feliner, but Lion-O guides them in for a safe landi…
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Lion-O's Anointment:, Part IV (The Trial Of Mind Power)
The scene changes to Hook Mountain, where Lion-O must beat Tygra at a test of mind power. The Tiger Clan on Thundera were given special mind powers that enable them to produce illusions to…
