Watch LEGO Batman: The Movie online free with HQ / high quailty. Stream movie LEGO Batman: The Movie.Lego Batman: The Movie – DC Super Heroes Unite is an animated film based on the toy series of the same name. The movie is based on the video game Lego Batman 2: DC Super Heroes. Though the film has cutscenes from the video game, the gameplay is replaced by new scenes with the same actors. The plot revolves around Lex Luthor and the Joker teaming up to destroy Gotham City with Batman and Robin teaming up with the Justice League in order to save Gotham.