Stepbrothers is a 2008 comedy film directed by Adam McKay and starring Will Ferrell and John C. Reilly as two middle-aged men who become stepbrothers after their parents get married. The film follows their awkward and hilarious attempts to get along and become a family, as they struggle to find jobs and fit in with each other's social circles. Stepbrothers is a raunchy and irreverent comedy that relies heavily on the comedic chemistry between Ferrell and Reilly, who deliver hilarious performances as two immature and clueless adults. While the film may not be for everyone, fans of Ferrell's brand of humour will find plenty to enjoy in this outrageous and laugh-out-loud funny film.