Strange Weirdos: Music from and Inspired by the Film Knocked Up is the official soundtrack album to the 2007 Judd Apatow film Knocked Up, and the eighteenth studio album by American singer-songwriter Loudon Wainwright III, released on May 22, 2007 on Concord Records. The album was co-produced by Joe Henry and Wainwright. Guests featured on the album include multi-instrumentalist Greg Leisz, Van Dyke Parks, bassist David Pilch, Richard Thompson and Patrick Warren.

Knocked Up is a 2007 American romantic comedy film written, produced and directed by Judd Apatow, and starring Seth Rogen, Katherine Heigl, Paul Rudd, and Leslie Mann. It follows the repercussions of a drunken one-night stand between a slacker and a recently promoted media personality that results in an unintended pregnancy.