ThunderCats 1985 Season 1 Episode 20 Return to Thundera Info
Episode Description: Episode Title:Return to Thundera.Episode Description:The Mutants unleash a new invincible war robot while Lion-O accidentally travels back in time to Thundera after he enters the Time Capsule's hologram. There, he meets his father, Claudius, who gives him a scroll containing the secret of the War Robot.