Watch Thundercats Season 1 Episode 16 full movie online free in HD with English subtitles – no download needed.
Thundercats: The mutants, once again searching for a way to destroy the Thundercats, recover some more items from their spaceship which Mumm-Ra generously recovered for them. They take their ships engine and convert it into a giant fire-ball-shooting machine. The mutants terrorize third earth with their fire-balls, until the Thundercats go to castle Plun-Darr and destroy their dangerous new weapon.