There are roughly six weeks before the 2012-13 television season begins, and while the wait seems as gut-wrenching as most of last season’s finales, it’s reassuring to know that production on most television shows has already begun. Showrunners and stars are doling out tantalizing tidbits about the new seasons to entice TV addicts such as myself.  “Supernatural’s” eighth season, which premieres on Oct. 3, could be the best one in years.  Here are five huge spoilers about the upcoming season: Click on to see!