Watch Paul Rudd in 'Our Idiot Brother' Trailer

In the movie Our Idiot Brother, Paul Rudd plays, well, an idiot brother.

The film finds him barging into his sisters' lives after being busted for selling marijuana to a uniformed police officer.

Elizabeth Banks, Zooey Deschanel and Emily Mortimer play the three sisters.

The movie opens Aug. 26.

Our Idiot Brother Trailer by teasertrailer