08/16/2012 12:09 pm ET

'Glee' 'The Break-Up' Episode: Not All Couples Survive

"Glee‘s" super couples are heading into Season 4 on a collision course with the mother of all icebergs.

In an exclusive interview with TVLine, executive producer Brad Falchuk is shedding ominous new light on this season’s much-buzzed-about fourth episode, “The Break-Up.”

Read more on TVLine