'Our Idiot Brother' trailer: Paul Rudd in Crocs. Enough said.

The trailer for Our Idiot Brother, embedded below, asks us to do something you would think impossible — believe Paul Rudd is less than brilliant. (Per Lisa Schwarzbaum’s rave Sundance review of the Jesse Peretz comedy, it’s actually quite easy: Rudd “turns out to be a virtuoso when it comes to pothead pauses,” she wrote.) How do you think this story ends: Do his character’s three sisters (Emily Mortimer, Elizabeth Banks, and Zooey Deschanel) teach him something about life, or does he end up schooling them?

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Paul Rudd and friends talk ‘Our Idiot Brother’

Lisa Schwarzbaum on ‘Our Idiot Brother’