In other series, the s06e15 slot often marks a turning point in character development: : S06E15, "East,"

: It centers on the childhood of Jacob and his nameless brother (the Man in Black), revealing how their "Mother" groomed them to be protectors of a mysterious "light".

: It breaks the fourth wall to lampoon the show’s own production and fandom while maintaining a high-stakes plot involving a celestial civil war.

In Supernatural , s06e15 titled " The French Mistake " is widely considered one of the series' most creative risks. The episode transports the protagonists, Sam and Dean Winchester, into a "parallel universe" where they are actors named Jared Padalecki and Jensen Ackles filming a TV show called Supernatural .