Thundercats (Original Series)

The Luna-Taks kidnap the ThunderKittens. The ThunderCats rescue the ThunderKittens and capture the Luna-Taks in the process. The ThunderCats sentence the Luna-Taks to exile on Exile Island.

Lion-O is about to give up deciphering the hieroglyphics in the Book of Omens, when Snarf suggests using the Sword of Omens as a magnifying glass. This causes to book to open and sucks Lion-O and Snarf into it.

Growing impatient with Mumm-Ra's repeated failures to destroy the ThunderCats, the Ancients diagram a plan for him to claim the Treasure of ThunDERa. He must trick Cheetara into revealing the location of the treasure by offering her an original piece of the treasure casket.

Aluro invents a supercharged fuel that finally gives the SkyTomb enough power to reach the new ThunDERa.

Mumm-Ra retrieves the ancient Thundarian artifact the Locket of Lies. Mumm-Ra and Ma-Mutt use the artifact to lure the ThunderCats into a concealed pit-trap.

Snarf accidentally discovers the Bracelet of Power has the power to control the ThunderCats. Gradually, he starts to coerce the ThunderCats to do his bidding. Snarf then loses the bracelet to Mumm-Ra.

Following up on a rumor, the ThunderCats take the Feliner to ThunDERa where supposedly a piece of the Treasure of ThunDERa lies within the Caverns of Cold. Mumm-Ra watches them in his cauldron and concocts a trap for them.

Snarf discovers an ancient Thundarian artifact, the Thunderscope, amid the wreckage of the ThunderCats' original spaceship. The object has the power to immediately identify any object of Thundarian origin.

Mumm-Ra's mentors, the Ancient Spirits of Evil, threaten to relinquish Mumm-Ra's rule over Third Earth if he fails to destroy the ThundarCats. The spirits describe an ancient artifact called the Dragon of Doom that can capture any being inside its small body.

Wilykat is hypnotized and stows away with Captain Bragg, a bounty hunter who poses as the leader of a traveling circus.

The Ancient Spirits give Mumm-Ra until sundown to destroy the ThunderCats or be banished from Third Earth forever.

With Mumm-Ra banished form Third Earth, the ThunderCats return to their home planet ThunDERa. The Ancient Spirits decide to give Mumm-Ra one last chance to destroy the ThunderCats.

The ThunderCats are determined to stay on the new ThunDERa despite its unstable environment. Meanwhile, Mumm-Ra summons Grune the Destroyer to help him destroy the ThunderCats.

Enraged by his failure to destroy the ThunderCats, Mumm-Ra returns to the Great Beneath as Jaga the Wise.

Knowing he cannot defeat both Tygra and Punyra on Third Earth and the ThunderCats on the new ThunDERa, Mumm-Ra orders Ma-Mutt to rescue the Mutants from Captain Bragg.

Mumm-Ra realizes he must destroy the new ThunDERa in order to destroy the ThunderCats, so he travels to the Great Beneath and blasts the gyroscope into rapid decay.

The Ancient Spirits of Evil provide Mumm-Ra with a Mirror Wraith, which can take the form of any shape and travel through space using mirrors as portals. Meanwhile, an escape pod containing a Thundarian child named Leah is rescued by the ThundarCats. Leah had been separated from her parents when their spaceship was destroyed by a meteor storm.

As reconstruction of the new ThunDERa continues, the ThunderKittens drill a water well, where they not only hit water but release an amphibian-like creature with green skin.

Wilykat and Wilykit discover the Golden Sphere of Setti, an ancient artifact that once belonged to Mumm-Ra. The sphere magnifies his power by four, making him more powerful than the Ancient Spirits of Evil.

The tremors that previously threatens to destroy the new ThunDERa begin again when Jagara loses control of the gyroscope. The ThunderCats bring in a gyroscope specialist robot named Screw-Loose.

In an effort to reach a distressed Thundarian spaceship, the ThunderCats must use all of their supplies of Thundrillium to fuel the Feliner for a deep-space voyage.

An astronomical lineup of the five Thundarian moons causes a serious drought on the new ThunDERa. Panthro and Snarf take the ThunderTank to collect the remaining water of Dreary Canal. On the way, they are attacked and the ThunderTank crashes into the Swamp of the Laughing Lilypads, which causes uncontrollable laughter.

Captain Cracker attacks bounty hunter Captain Bragg, who is holding the exiled Luna-Taks prisoner, and frees the Luna-Taks in order to have them help him return Third Earth to a pirate's paradise.

Tygra gets caught in a meteor shower while returning from Third Earth. Losing control of the Feliner, he crashes through the atmosphere into the unexplored Mosslands of New ThunDERa, where he awakens the gigantic Monster of the Mosslands.

Mumm-Ra unveils his latest weapon, the Babylonian Barbarian Boiler, to destroy the ThunderCats. The Boiler emits a beam that rapidly melts anything it touches.

A rare lunar eclipse casts an eerie pale over the new ThunDERa. The eclipse opens a portal where the exiled Shadowmaster contacts the Ancient Spirits of Evil.

The ThunderCats prepare for a visit from the Ecology Inspector. The Inspector hopes to enlist the aid to the ThunderCats in capturing Two-Time, an intergalactic land poacher who has been stealing entire land masses with his geodesic vessel.

Amortus, an evil tentacled creature banished eons ago by the Thunderians, has returned to the new ThunDERa through Mumm-Ra's cauldron.

Vultureman hijacks a space bookmobile to escape Captain Bragg's Circus Train. On board, he learns of the powerful Rosencranz Medallion that once belonged to Mumm-Ra's arch rival Zaxx.

The ThunderCats build a Homing Beacon Tower just in time to guide a group of Thundarian refugees back to the planet.

The ThunderCats finally open the Book of Omens. The Guardian of the Book explains that the ancient artifacts they have gathered must be presented at four different locations at precisely five clicks before the twenty-fourth hour or the ThunderCats will be frozen in time and the new ThunDERa torn apart by earthquakes.