Supernatural (2005)

S6E15 The French Mistake

In "The French Mistake," Dean and Sam unexpectedly land in a parallel universe where they are mistaken for Jensen Ackles and Jared Padalecki, the actors playing them on a hit TV series named Supernatural. In this bizarre world, the brothers navigate the challenges of fame while trying to figure out how to return to their own reality. They encounter behind-the-scenes antics and confront the peculiarities of being fictionalized versions of themselves, all while maintaining their identities amidst the chaos of Hollywood.