Leah Remini: Scientology and the Aftermath is an American documentary series that investigates the Church of Scientology through the experiences of American actress Leah Remini and other former members. She was a follower of Scientology between 1979, when she joined at the age of nine alongside her parents, and 2013, when she left under acrimonious circumstances. She subsequently became an outspoken critic of Scientology and published a bestselling memoir, Troublemaker: Surviving Hollywood and Scientology, in 2015.