The most common reference for "Step Brother" in media is the cult classic film starring (Brennan) and John C. Reilly (Dale). The plot follows two immature 40-year-olds who are forced to live together after their parents marry. Step Brothers Movie Review | Common Sense Media

Depending on the context, this phrase typically refers to the or themes related to family dynamics in modern media. 1. The Movie Step Brothers (2008)