Lion-O, always outdone by his adoptive older brother Tygra, undergoes the ritual to be chosen by the Sword of Omens a...

An unforeseen betrayal by a former comrade brings destruction upon the Cat Kingdom. While King Claudus leads the figh...

After escaping their destroyed city with the Sword of Omens, the team encounters the Fishmen, who sail the quicksand ...

While traveling through the woods, the ThunderCats come across a group of Petalars - small plant-like creatures whose...

The ThunderCats accompany Panthro to Cloud Peak Mine to search for Thundrilium for the Thundertank. Along the way, Pa...

The ThunderCats continue their quest for the Book of Omens, which leads them to the fabled Tower of Omens. However, t...

Lion-O ventures into the Book of Omens where he becomes the incarnation of his renowned ancestor, the valiant Leo, wh...

As Tygra and Panthro work on the ThunderTank, Lion-O is searching for supplies and encounters a mysterious Drifter wh...

The ThunderCats meet the mysterious beings who had helped them during the night and they turn out to be the Berbils, ...

The Cats track the location of the first stone to the mystical Elephant Village, but Lion-O can't find the specific l...

Sent by the Elephants to the Forest of Magi Oar, Lion-O must learn to master Sight Beyond Sight before returning to t...

The Cats are ready to retrieve the stone from the "Astral Plane" in the Elephant Village, but find it overtaken by Gr...

Tygra and Lion-O enter the Astral Plane to retrieve the stone, but encounter Mumm-Ra in the process. Grune and Panthr...

The ThunderCats go on the offensive, but Mumm-Ra won't see his lizard army crushed so easily. He tasks Slithe with re...

During an ambush, Lion-O falls to his death, but he is given a second chance at life - if he can pass a series of tri...

Pleading for a chance to save his friends, Jaga grants Lion-O life until sunrise to try and save his friends ... and ...

While traveling through snowy mountains in search of safe passage, Tygra and Lion-O come upon a lost tiger village an...

While Lion-O and Tygra were off with the tiger clan adventure, the rest of the crew is keeping an eye on the Thundert...

The Thundercats discover a cat refugee, Pumyra, being forced to fight as a gladiator in a city of Dogs.

Arriving at Mount Plun-Darr, the ThunderCats and Pumyra discover that the Thunderian slaves are being forced to excav...

Mumm-Ra arrives at Mount Plun-Darr and battles the Thundercats in an attempt to regain the Sword of Plun-Darr.

Seduced by the fun-loving lifestyle of Tookit and the orphans they meet, WilyKit and WilyKat are tricked by Tookit in...

The Thundercats require the assistance of a snake oil salesman named Ponzie to defeat Mumm-ra’s latest monstrous form.

While trying to uncover the location of the next stone, the ThunderCats cross paths with a mad man, Soul Sever, who i...

The ThunderCats' search for the Tech Stone leads them high above Thundera to the floating bird city of Avista, where ...

In the season finale, Mumm-Ra's forces find the ThunderCats and the Tech Stone in Avista City. An incredible battle e...