2012's Biggest TV Cliffhangers

From tearful graduations to massive explosions, fans were left with quite a few unanswered questions as television's most popular shows bid a temporary farewell to their viewers last season.   To help us understand what we're in for when our favorite series return, Michael Schneider of TV Guide and Matt Mitovich of TVLine.com lend their insider expertise to television's upcoming season. VIDEO: Meet the Breakout Stars of the Fall TV Season