18. Are You Here
Not treated well by critics, Matthew Weiner's film debut co-stars Top CelebStoners Zach Galifianakis and Amy Poehler as siblings Ben and Terri, and Owen Wilson as Ben's best friend. Ben medicates his bi-polar condition with pot, but it doesn't always control his outbursts. When their father dies and leaves a good chunk of real estate to Ben, Terri goes on the warpath. Ultimately, Ben smokes less and gets his life together.