<Tr> <Td_colspan="2"> Supernatural (season 4) List of Supernatural episodes </Td> </Tr> <P> "Lazarus Rising" is the fourth season premiere of the CW television series Supernatural . The episode originally aired on September 18, 2008, and was written by series creator Eric Kripke and directed by executive producer Kim Manners . </P> <P> The episode is set four months after Dean goes to hell in No Rest for the Wicked at the end of season 3 . The narrative follows the brothers Dean (Jensen Ackles) and Sam Winchester (Jared Padalecki) as Dean returns from hell and tries to discover how he came back to life . The episode is perhaps most significant for introducing the angel Castiel (Misha Collins), who would become the longest surviving regular character . </P> <P> The episode begins with Dean's (Ackles) painful memory in hell . He wakes up in a coffin and starts digging himself out . Dean then notices some paranormal traces around his grave . When he walks into a gas station and grabs supplies, he finds out that he has fully recovered from the hellhound attack save from a hand - shaped burn on his left bicep . Before he leaves the store, Dean notices some unusual activities implying supernatural power . Dean tries to call Sam (Padalecki), but his number is no longer connected . He then calls Bobby Singer (Jim Beaver), but Bobby hangs up because he does not believe Dean is still alive . Dean then steals a car and drives to Bobby's . Bobby and Dean take time to make sure that Dean is alive and is still him, and they go to find Sam in a hotel . </P>

Does dean come back to life in supernatural