Watch ThunderCats Roar Season 1 Episode 17 full movie online free in HD with English subtitles – no download needed.
The Cats' Lair is attacked by gold-loving robot pirates, the Berserkers. This is a good thing, really, since it means Lion-O and the ThunderKittens can ditch their chores and fight robo-pirates instead. Just don't tell Tygra!!!