Forgetting Sarah Marshall is a 2008 American romantic comedy film directed by Nicholas Stoller and starring Jason Segel, Kristen Bell, Mila Kunis, and Russell Brand. The story follows Peter Bretter, a musician, who is devastated when his girlfriend, Sarah Marshall, abruptly ends their five-year relationship. He decides to take a trip to Hawaii to clear his mind, only to find Sarah and her new boyfriend at the same resort.