Watch Will Ferrell and Adam McKay’s cult classic Step Brothers online. Step Brothers is a comedy about two immature grown men, Brennan and Dale, who become stepbrothers when their single parents ...

The film is directed by Adam McKay. John C. Reilly (left), Adam McKay (center) and Will Ferrell (right) on the set of Columbia Pictures' Step Brothers. Brennan Huff (Will Ferrell, left ...