January 23, 1985 • 22m
With their home planet, Thundera, about to explode, the Thunderians flee to a distant galaxy. Before they can make the long journe...Read more
January 23, 1985 • 22m
The Mutants, who have also reached Third Earth, encounter an old pyramid. It turns out to be the home of Mumm-Ra the Ever-Living, ...Read more
September 11, 1985 • 22m
The Ro-Bear Berbils are a friendly group of robot bears that live on Third Earth. Lion-O and Snarf don't know this, and end up get...Read more
September 12, 1985 • 22m
The homeless Mutants also make plans to build their home. They enslave a primitive race of beings called Brute-Men to do their wor...Read more
September 13, 1985 • 22m
Mumm-Ra uses his shapeshifting abilities to pass himself off as a Thunderian so he can stage the "rescue" of Cheetara and infiltrate Cats' Lair.
September 16, 1985 • 22m
When Snarf and a young unicorn are captured by the pirate Hammerhand and his crew of Berserkers, Lion-O goes to rescue them.
September 17, 1985 • 22m
With their supply of Thundrillium running low, the Thundercats set off in search of a fresh supply. Tygra detects a large deposit ...Read more
September 18, 1985 • 22m
Wilykit and Wilykat try to stop a band of living gargoyles from robbing a Wollo but fail to do so and trail the gargoyles to a nea...Read more
September 19, 1985 • 22m
While investigating an earthquake, Tygra stumbles across the Garden of Delights and meets a talking plant named Silky, who offers ...Read more
September 20, 1985 • 22m
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...Read more
September 23, 1985 • 22m
Two Bolkins (sheep-like beings from Third Earth) unleash the ghost of Grune the Destroyer, a renegade Thundercat who once terroris...Read more
September 24, 1985 • 22m
Mumm-Ra and the Mutants plot to open the Time Warp Prison and release the evil Princess Ta-She in order to use her deadly Doomgaze...Read more
September 25, 1985 • 22m
When a meteorite made of pure Thundrillium crashes on Hook Mountain, the Thundercats decide to use it to replenish their depleted ...Read more
September 26, 1985 • 22m
Tired of constantly being bested by the Thundercats, the Mutants have Mumm-Ra raise their spaceship and salvage their vehicles.
September 27, 1985 • 22m
Lion-O becomes homesick, and his memories of Thundera are almost nonexistent. Jaga appears to Lion-O and tells him that on their s...Read more
September 30, 1985 • 22m
The Mutants, once again searching for a way to destroy the Thundercats, recover some more items from their spaceship. They take th...Read more
October 1, 1985 • 22m
Mumm-Ra tricks Lion-O into using the Sword of Omens against Tygra, causing the blade to break in half and lose its powers. The onl...Read more
October 2, 1985 • 22m
Mumm-Ra creates device that can make Panthro clones. He embeds the spirit of Hammerhand into his clone and sets it free to destroy...Read more
October 3, 1985 • 22m
Wilykit and Kat accidentally free an ancient monster that was banished to an old shrine centuries ago. The evil monster, Mongor, b...Read more
October 4, 1985 • 22m
The Thundercats briefly show Lion-O how the time capsule they recovered from the caveman works. Curious to see more, Lion-O activa...Read more
October 7, 1985 • 22m
An 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...Read more
October 8, 1985 • 22m
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 say...Read more
October 9, 1985 • 22m
The Thundercats think that Snarf is getting too old, and that he is not up to doing as much as he does. To prove them wrong, Snarf...Read more
October 10, 1985 • 22m
An evil hunter lands on third earth in search of prey to hunt. His holographic machine can tell him about all of the Thundercats, ...Read more
October 11, 1985 • 22m
Nearly all the Thundercats have been captured by the Mutants and imprisoned in Mumm-Ra's Pyramid, forcing Snarf to use his own talents to free them.
October 28, 1985 • 22m
An alien spaceship crash lands on third earth, and it can somehow communicate with Cheetara through her sixth sense. She becomes a...Read more
October 29, 1985 • 22m
Mumm-Ra summons the great samurai Hachiman to seek and destroy Lion-O. He tells Hachiman that Lion-O and the Thundercats are dest...Read more
October 30, 1985 • 22m
MUMM-RA has a phial of miniaturization gas. VULTUREMAN builds a mechanical WOLFRAT to infiltrate the gas into the Cats' Lair. The ...Read more
October 31, 1985 • 22m
Vultureman summons Ratar-O to take him to the planet of the Snarfs to capture one of them and use it as ransom with the Thundercat...Read more
November 1, 1985 • 22m
Vultureman summons Ratar-O to take him to the planet of the Snarfs to capture one of them and use it as ransom with the Thundercat...Read more
November 4, 1985 • 22m
Mandora, on space-patrol, encounters an old pirate ship which doesn't meet inter-galactic standards. She boards the ship, arrests...Read more
November 5, 1985 • 22m
The Driller, Mumm-Ra's servant who captured Panthro for him in Spitting Image, returns to aid Mumm-Ra once again. His job this tim...Read more
November 6, 1985 • 22m
Wiz-Ra, Mumm-Ra's enemy from long ago, comes back every 7000 years through a portal that just happens to be in Cheetara's bedroom....Read more
November 7, 1985 • 22m
Mumm-Ra finds out that the Kingdom of Webs has a new Queen, Spidera. Mumm-Ra thinks he can lure Lion-O into her lair. He transfo...Read more
November 8, 1985 • 22m
Mumm-Ra hires Captain Shiner no send a fake distress signal to the Thundercats. With their new vehicle, the Feliner, the Thunderc...Read more
November 11, 1985 • 22m
Wilykit and Kat find an ancient harp that has a genie in it. His name is Charr-Nin. Mumm-Ra appears to the genie and tells him th...Read more
November 12, 1985 • 22m
On Lion-O's 20th birthday, he must pass a set of trials to become the true Lord of the ThunderCats. Even though he is the heredita...Read more
November 13, 1985 • 22m
A vagabond space traveler lands on Third Earth to challenge Mumm-Ra to a fight. The Demolisher is victorious against Mumm-Ra and ...Read more
November 14, 1985 • 22m
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 agr...Read more
November 15, 1985 • 22m
After the Mutants fail to ambush and defeat the Thundercats with Vultureman's new Thundrainium cannon, Vultureman, furious about t...Read more
November 18, 1985 • 22m
Micrits, a tiny race of human-like figures, happen to live right outside Cats' Lair. Unaware of their existence, Lion-O manages t...Read more
November 19, 1985 • 22m
On the second day of his trials, Lion-O must race Cheetara through the dangerous lands of Third Earth. Although Cheetara is by far...Read more
November 20, 1985 • 22m
Mumm-Ra awakens the Rock Giant, an ancient monster made of stone which looked like a mountain to the TCats. When it wakes up, Mumm...Read more
November 21, 1985 • 22m
The normally submissive JackalMan decides to start his own army in hopes of conquering Third Earth by himself. He does manage to g...Read more
November 22, 1985 • 22m
An evil robot monster is attacking the Tuska Village, in an area unexplored by the Thundercats. Turmagar, the leader of the Tuskas...Read more
November 25, 1985 • 22m
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. Attempt...Read more
November 26, 1985 • 22m
Mumm-ra transforms himself into a ro-bear berbil (a Thundercat ally). He acts hurt and the Thundercats let him stay at Cats Lair. ...Read more
November 27, 1985 • 22m
Panthro invents flying video cameras which are suppose to record the events that take place on third-earth so they could create th...Read more
November 28, 1985 • 22m
When a big storm hits Third Earth, the Thunderkittens are trapped in an old space capsule. Meanwhile, Tygra and Cheetra almost cra...Read more
November 29, 1985 • 22m
Lion-O undergoes the fourth task in his Anointment Trial.
December 2, 1985 • 22m
The story of Excalibur, the greatest sword in history, is revealed to Mumm-Ra, who is then determined to find the Excalibur and de...Read more
December 3, 1985 • 22m
A giant Ice King is accidentally released from his glacial prison and attacks the Castle of the Snowmen.
December 4, 1985 • 22m
A Terator Starship, an extremely ugly spaceship, is pursued by a Kymera Craft, a visually appealing spaceship. The Terator Spacesh...Read more
December 5, 1985 • 22m
A spaceship freighted with a lethal radioactive sphere is on a collision course for Third Earth.
December 6, 1985 • 22m
Vultureman invents a voice imitator that imitates the ThunderCats' voices. He uses it to lure the ThunderCats into perilous situations.
December 9, 1985 • 22m
Mumm-Ra transforms into Mumm-Ra the Dream Master and summons spectral Dream Selves from the sleeping Panthro, Cheetara, Tygra, Wilykat, and Wilykit.
December 10, 1985 • 22m
Willa is practicing her long-bow skills when a warning device alerts her to a Mutant attack. Willa is captured and the ThunderCats rush to rescue her.
December 11, 1985 • 22m
Mumm-Ra summons the Mutants and threatens to banish them from Third Earth unless they bring him the Sword of Omens.
December 12, 1985 • 22m
Vultureman invents a Super Power Potion which give him magical powers, enabling him to mesmerize and defeat Tygra.
December 13, 1985 • 22m
Jackalman ambushes Snark and attempts to steal the Sword of Omens. This gives Panthro the idea to make a duplicate sword as bait for the Mutants.
December 16, 1985 • 22m
The concluding trial in Lion-O's Anointment Trials pits him alone and weaponless against the evil Mumm-Ra.
December 17, 1985 • 22m
To prove themselves worthy of being ThunderCats, the ThunderKittens borrow the other ThunderCats' weapons and practice with them. ...Read more
December 18, 1985 • 22m
The Feliner is attacked by the RatStar, manned by the Mutants. Jackalman, Monikan, and S-S-Slithe are ejected and saved by Mumm-Ra...Read more
December 19, 1985 • 22m
Vultureman invents the Shifter, a device that can switch personalities, and uses it on Panthro's personality and Snarf's body.
December 20, 1985 • 22m
Mumm-Ra creates a museum where painting and statues come alive to oppose the ThunderCats.