- Jared Padalecki (Sam Winchester)
- Jensen Ackles (Dean Winchester)
- Misha Collins (Castiel)
Supernatural — S4E19
Episode: Jump the Shark
Air Date: 2009-04-23
Runtime: 42 min
Overview
Meet the Winchester boys: Dean, Sam and... Adam. The Winchesters discover they have a younger half-brother, whose mother vanishes just as a long-dormant grave robber renews his ghoulish career.