Forgetting Sarah Marshall is a 2008 American romantic comedy film directed by Nicholas Stoller (in his feature directorial debut) and starring Jason Segel, Kristen Bell, Mila Kunis and Russell Brand. The film, which was written by Segel and co-produced by Judd Apatow, was released by Universal Pictures. Filming began in April 2007 at the Turtle Bay Resort on the North Shore of Oahu Island in Hawaii. The film was released for North American theaters on April 18, 2008, and in the United Kingdom a week later on April 25, 2008.

The story revolves around Peter Bretter, who is a music composer for a TV show that features his girlfriend, Sarah Marshall, in the lead role. After a five-year relationship, Sarah abruptly breaks up with Peter. Devastated by this event, he chooses to go on vacation to Hawaii, in order to try to move forward with his life. Trouble ensues when he runs into Sarah on the island as she is on vacation with her latest boyfriend.