(2008) Outrageous comedy with Will Ferrell and John C. Reilly. When two 40-year-old man-children's parents marry, can the lads settle their differences and grow up ...

Reilly in this hilarious film, as two spoiled guys who live with their respective single parents. Their folks fall in love and marry, making the guys competitive step brothers.

Kathryn Hahn recalls improvising risqué Step Brothers scene: 'That came from the deep recesses of a recovering Catholic' Adam Scott tells Kathryn Hahn he felt like 'such an a--hole' scolding her ...