<P> The first season of Supernatural , an American fantasy horror television series created by Eric Kripke , premiered on September 13 , 2005 , and concluded on May 4 , 2006 after 22 episodes . It focuses on brothers Sam and Dean Winchester as they track down their father , John , who is on the trail of the demon who killed their mother and Sam 's girlfriend . During their travels , they use their father 's journal to help them carry on the family business -- saving people and hunting supernatural creatures . Jared Padalecki and Jensen Ackles star as Sam and Dean , with Jeffrey Dean Morgan recurring as their father , John , and Nicki Aycox as the demonic Meg Masters . This is the only season to air on The WB Television Network , with all subsequent seasons airing on The CW Television Network , a joint venture of The WB and UPN . </P>
<P> The first season of Supernatural , an American fantasy horror television series created by Eric Kripke , premiered on September 13 , 2005 , and concluded on May 4 , 2006 after 22 episodes . It focuses on brothers Sam and Dean Winchester as they track down their father , John , who is on the trail of the demon who killed their mother and Sam 's girlfriend . During their travels , they use their father 's journal to help them carry on the family business -- saving people and hunting supernatural creatures . Jared Padalecki and Jensen Ackles star as Sam and Dean , with Jeffrey Dean Morgan recurring as their father , John , and Nicki Aycox as the demonic Meg Masters . This is the only season to air on The WB Television Network , with all subsequent seasons airing on The CW Television Network , a joint venture of The WB and UPN . </P>
when was the first episode of supernatural aired
when was the first episode of supernatural aired
September 13 , 2005
September 13 , 2005