Thundercats

Disguising himself as a helpless Diamondfly, Mumm-Ra entices Lion-O into the monstrous domain of Spidera, Queen of Eight Legs.

An S.O.S. from the edge of a Black Hole in deep space sends Lion-O, Snarf, and Cheetara out in the Feliner.

The ThunderKittens discover a magical Harp, strum it, and release Charr-Nin, a genie imprisoned inside. Mumm-Ra promises the genie freedom if he'll destroy the ThunderCats.

Lion-O awakes on his birthday to learn that he has come of age and must undergo the Anointment Trials, a ritual every Lord of ThunderCats has had to survive from the beginning of history.

The Demolisher is a mercenary who seeks violence for violence's sake and fights without regard for any principals.

Mumm-Ra summons Monikan to his pyramid to strike a bargain - if Monikan steals the Sword of Omens, Mumm-Ra will make him a ruler over part of Third Earth.

Mumm-Ra seals the Sword Chamber which contains all the ThunderCats' weapons inside.

While searching for Thundrillium, Lion-O discovers that there is a tribe of tiny people on Third Earth.

Lion-O undergoes his second test in the Anointment Trial which he must pass to remain Lord of the ThunderCats.

A volcanic eruption releases the Rock Giant, a huge lava monster.

Jackalman steals Vultureman's Flying Machine and attacks Lion-O and Panthro in the ThunderTank.

Turmagar, a walrus-like humanoid, crash-lands his Gomplin at the Cats' Lair and asks for help.

Lion-O undergoes the third installment of his Anointment Trials to prove he is worthy of his inherited title.

Angry with the Mutants' failure to destroy the ThunderCats, Mumm-Ra transforms them into a meek Berbil and tricks Snark into bringing him inside the Cats' Lair.

Panthro invents Holograph-Recorders to film the ThunderCats' experiences on Third Earth for incorporation into a time capsule through which future generations can learn.

Cheetara and Tygra are aboard the Feliner when it is caught in a galactic meteor shower and badly damaged.

Lion-O udergoes the fourth task in his Anointment Trial.

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.

A giant Ice King is accidentally released from his glacial prison and attacks the Castle of the Snowmen.

A Terator Starship, an extremely ugly spaceship manned by the ugly Terator, is pursued by a Kymera Craft, a visually appealing spaceship, manned by the beautiful Kymera. The Terator Spaceship escapes and lands at the Cats' Lair, where Lion-O assumes it is evil and attacks.

A spaceship freighted with a lethal radioactive sphere is on a collision course for Third Earth.

Vultureman invents a Voice Imitator which imitates the ThunderCats' voices. He uses it to lure the ThunderCats into perilous situations.

Mumm-Ra transforms into Mumm-Ra the Dream Master and summons spectral Dream Selves from the sleeping Panthro, Cheetara, Tygra, Wilykat, and Wilykit.

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.

Mumm-Ra summons the Mutants and threatens to banish them from Third Earth unless they bring him the Sword of omens.