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Episode guide

ThunderCats: Season 1

Poster for ThunderCats Season 1

65 episodes · first aired Jan 23, 1985

TMDB has no overview for this season.

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  1. 1 Exodus Jan 23, 1985 · 22m With their home planet, Thundera, about to explode, the Thunderians flee to a distant galaxy. Before they can make the long journey the Mutants sweep in and destroy most of the fleet in an…
  2. 2 The Unholy Alliance Jan 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, and they join forces to capture the Sword of Omens. Both…
  3. 3 Berbils Sep 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 getting caught in a Ro-Bear trap. The Berbils free them…
  4. 4 The Slaves of Castle Plun-Darr Sep 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 work for them. The Thundercats go to Castle Plunn-Darr to…
  5. 5 Pumm-Ra Sep 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.
  6. 6 The Terror of Hammerhand Sep 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.
  7. 7 Trouble with Time Sep 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 in a cave and goes to investigate - unfortunately, he has…
  8. 8 The Tower of Traps Sep 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 nearby Tower. Wilykat is trying force the door open when he…
  9. 9 The Garden of Delights Sep 19, 1985 · 22m While investigating an earthquake, Tygra stumbles across the Garden of Delights and meets a talking plant named Silky, who offers him her fruit. But it turns out that "Silky" is another of…
  10. 10 Mandora: the Evil Chaser Sep 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 them, a slick thief, manages to steal Lion-O's sword…
  11. 11 The Ghost Warrior Sep 23, 1985 · 22m Two Bolkins (sheep-like beings from Third Earth) unleash the ghost of Grune the Destroyer, a renegade Thundercat who once terrorised Third Earth and now turns his attention to the…
  12. 12 The Doomgaze Sep 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 against the Thundercats.
  13. 13 Lord of the Snows Sep 25, 1985 · 22m When a meteorite made of pure Thundrillium crashes on Hook Mountain, the Thundercats decide to use it to replenish their depleted energy supply. But Lion-O must first gain the trust of the…
  14. 14 The Spaceship Beneath the Sands Sep 26, 1985 · 22m Tired of constantly being bested by the Thundercats, the Mutants have Mumm-Ra raise their spaceship and salvage their vehicles.
  15. 15 The Time Capsule Sep 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 spaceship, they brought with them a time capsule which…
  16. 16 The Fireballs of Plun-Darr Sep 30, 1985 · 22m The Mutants, once again searching for a way to destroy the Thundercats, recover some more items from their spaceship. They take their ship's engine and convert it into a giant…
  17. 17 All That Glitters Oct 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 only way Lion-O can restore the Sword is to venture into a…
  18. 18 Spitting Image Oct 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 Third Earth. The Third Earth inhabitants blame the…
  19. 19 Mongor Oct 3, 1985 · 22m Wilykit 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…
  20. 20 Return to Thundera Oct 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 activates it during his night-time watch, and gets caught in its…
  21. 21 Dr. Dometone Oct 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 ocean which caused the water to drain into the earth's…
  22. 22 The Astral Prison Oct 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 says that the only person who can transport anyone to the…
  23. 23 The Crystal Queen Oct 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 saves the Thundercats from another mess. The evil Crystal…
  24. 24 Safari Joe Oct 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, including their strengths and weaknesses, and he is able…
  25. 25 Snarf Takes Up the Challenge Oct 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.
  26. 26 Sixth Sense Oct 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 part of the spacecraft, and begins to feel what it feels…
  27. 27 The Thunder-Cutter Oct 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 destroying his planet. Hachiman and Lion-O confront each other…
  28. 28 The Wolfrat Oct 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 ThunderCats are immediately reduced to nine inches high…
  29. 29 Feliner (1) Oct 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 Thundercats. Snarf, thinking his entire race was wiped out when…
  30. 30 Feliner (2) Nov 1, 1985 · 22m The ThunderCats race to try to salvage the part they need for the Feliner from the wreck of the Rat Star before the Mutants can complete repairs. Snarf contemplates leaving the ThunderCats…
  31. 31 Mandora and the Pirates Nov 4, 1985 · 22m Mandora, on space-patrol, encounters an old pirate ship which doesn't meet inter-galactic standards. She boards the ship, arrests the pirate, and sends the ship to a space prison. Little…
  32. 32 Return of the Driller Nov 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 time is to drill a hole from the Cats' Lair to the Acid lake…
  33. 33 Dimension Doom Nov 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. Wiz-Ra wears a magical helmet that lets him control…
  34. 34 Queen of 8 Legs Nov 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 transforms into a diamond fairy and casts a spell on Lion-O. Snarf…
  35. 35 Sword in a Hole Nov 8, 1985 · 22m Mumm-Ra hires Captain Shiner to 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"…
  36. 36 The Evil Harp of Charr-Nin Nov 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 that if he destroys the Thundercats, he will be freed from…
  37. 37 Lion-O's Anointment First Day: Trial of Strength Nov 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 hereditary Lord of the ThunderCats, he must prove himself to be…
  38. 38 The Demolisher Nov 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 sends him running back to his tomb. Mumm-Ra acknowledges…
  39. 39 Monkian's Bargain Nov 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 agrees, and gives him Power Spheres which make him super…
  40. 40 Tight Squeeze Nov 15, 1985 · 22m 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…
  41. 41 The Micrits Nov 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 to continuously step on their village and destroy their…
  42. 42 Lion-O's Anointment Second Day: The Trial of Speed Nov 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 the fastest among the Thundercats, her speed can only…
  43. 43 The Rock Giant Nov 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-Ra sends it to destroy Cats Lair. The TCats try and…
  44. 44 Jackalman's Rebellion Nov 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 give the Thundercats trouble, but soon he is defeated and…
  45. 45 Turmagar the Tuska Nov 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, travels to the Cat's Lair to ask for aid in defeating…
  46. 46 Lion-O's Anointment Third Day: Trial of Cunning Nov 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. Attempting to stop Lion-O and slow him down, the kids set traps…
  47. 47 The Mumm-Ra Berbil Nov 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. One night, Mumm-ra(the berbil) puts all the Thundercats…
  48. 48 Mechanical Plague Nov 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 their own holographic time capsule. Mumm-Ra, in hope of…
  49. 49 Trapped Nov 28, 1985 · 22m When a big storm hits Third Earth, the Thunderkittens are trapped in an old space capsule. Meanwhile, Tygra and Cheetra almost crash the Feliner, but Lion-O guides them in for a safe…
  50. 50 Lion-O's Anointment Fourth Day: The Trial of Mind Power Nov 29, 1985 · 22m Lion-O undergoes the fourth task in his Anointment Trial.
  51. 51 Excalibur Dec 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 defeat Lion-O and the Sword of Omens.
  52. 52 Secret of the Ice King Dec 3, 1985 · 22m A giant Ice King is accidentally released from his glacial prison and attacks the Castle of the Snowmen.
  53. 53 Good and Ugly Dec 4, 1985 · 22m A Terator Starship, an extremely ugly spaceship, is pursued by a Kymera Craft, a visually appealing spaceship. The Terator Spaceship escapes and lands at the Cats' Lair
  54. 54 The Transfer Dec 5, 1985 · 22m A spaceship freighted with a lethal radioactive sphere is on a collision course for Third Earth.
  55. 55 Divide and Conquer Dec 6, 1985 · 22m Vultureman invents a voice imitator that imitates the ThunderCats' voices. He uses it to lure the ThunderCats into perilous situations.
  56. 56 Dream Master Dec 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.
  57. 57 Out of Sight Dec 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.
  58. 58 The Mountain Dec 11, 1985 · 22m Mumm-Ra summons the Mutants and threatens to banish them from Third Earth unless they bring him the Sword of Omens.
  59. 59 The Superpower Potion Dec 12, 1985 · 22m Vultureman invents a Super Power Potion which give him magical powers, enabling him to mesmerize and defeat Tygra.
  60. 60 Eye of the Beholder Dec 13, 1985 · 22m Jackalman ambushes Snarf and attempts to steal the Sword of Omens. This gives Panthro the idea to make a duplicate sword as bait for the Mutants.
  61. 61 Lion-O's Anointment Final Day: The Trial of Evil Dec 16, 1985 · 22m The concluding trial in Lion-O's Anointment Trials pits him alone and weaponless against the evil Mumm-Ra.
  62. 62 The Trouble with ThunderKittens Dec 17, 1985 · 22m To prove themselves worthy of being ThunderCats, the ThunderKittens borrow the other ThunderCats' weapons and practice with them. They are ambushed by Mutants, who take their weapons.
  63. 63 Mumm-Rana Dec 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-Rana, a female mirror image of Mumm-Ra, who is a force for…
  64. 64 The Shifter Dec 19, 1985 · 22m Vultureman invents the Shifter, a device that can switch personalities, and uses it on Panthro's personality and Snarf's body.
  65. 65 Fond Memories Dec 20, 1985 · 22m Mumm-Ra creates a museum where painting and statues come alive to oppose the ThunderCats.