When is the series Supernatural coming back?

Supernatural is a nice TV series for watching. After finish the best supernatural seasons 1-7 DVD box set, I’m waiting for the 8th season. When will it come back? 

A1: It is said that the 8th season will broadcast in October 2012 this year. I’m waiting for it, too. Nice TV show!

comes from: http://www.dvdsea.com/products/Supernatural-Seasons-1-7-DVD-Box-Set-DVDS-2943.html

TV show for watching: best glee Seasons 1-3 DVD Box Set, best Army Wives Seasons 1-5 DVD Box Set