Stream the full ThunderCats Roar Season 1 Episode 4 movie online for free in crystal-clear HD quality. No downloads required—just press play and enjoy the action, complete with English subtitles for an enhanced viewing experience.
Lion-O wants to prove to the ThunderKittens that he's not just some boring old adult like Tygra, even if it means ignoring his instincts and messing with an obviously evil crystal.