Going Clear: Scientology and the Prison of Belief is a 2015 documentary film about Scientology. Directed by Alex Gibney and produced by HBO, it is based on Lawrence Wright's book Going Clear: Scientology, Hollywood and the Prison of Belief (2013). The film premiered at the 2015 Sundance Film Festival in Park City, Utah. It received widespread praise from critics and was nominated for seven Emmy Awards, winning three, including Best Documentary. It also received a 2015 Peabody Award and won the award for Best Documentary Screenplay from the Writers Guild of America.

Philip Alexander Gibney is an American documentary film director and producer. In 2010, Esquire magazine said Gibney "is becoming the most important documentarian of our time."