ThunderCats (Original Series), Season 1, Vol. 2

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.

Vultureman invents a Super Power Potion which gives him magical powers, enabling him to mesmerize and defeat Tygra.

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.

The concluding trial in Lion-O's Anointment Trials pits him alone and weaponless against the evil Mumm-Ra.

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.

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 good.

Vultureman invents the Shifter, a device that can switch personalities and uses it on Panthro's personality and Snarf's body.

Mumm-Ra creates a museum where painting and statues come alive to oppose the ThunderCats.