When the Thundercats' planet of Thundera becomes unstable and nears collapse, they set out on an intergalactic voyage to the planet known as Third Earth where they encounter a number of interesting creatures including the evil Mumm-Ra.

Originally syndicated in 1986. Special features: The music of Thundera; The rembrandts Thundercats theme song music video; Bernie Hoffer, Live! : Thundercats theme song.

disc 1.ThunderCats ho! -- disc 2. Mumm-ra lives -- disc 3. Catfight ; Psych out ; Mask of Gorgon ; Mad bubbler ; Together we stand ; Ravage Island -- disc 4. Time switch ; Sound stones ; Day of the eclipse ; Side swipe ; Mumm-Rana's belt ; Hachiman's honor -- disc 5. Runaways ; Hair of the dog ; Vultureman's revenge ; ThunderCubs pts. 1-3 -- disc 6. ThunderCubs pts. 4-5 ; Totem of Dera ; Chain of loyalty ; Crystal Canyon ; Telepathy beam.