Supernatural is a CW network series that began its first year on the WB network before it merged with the UPN network to create the CW network. The show premiered on September 13, 2005 on the WB network and aired its second season on The CW network on September 28, 2006. The show's third season (and its second on the CW) was cut short due to the writers' strike. The series is now in its fourth year.
The plot of the show centers around two brothers who are paranormal investigators. They travel across America fighting urban legends and all other kinds of "supernatural" occurrences. Jared Padalecki plays Sam Winchester and Jensen Ackles plays Dean Winchester. The series was created by Eric Kripke.