Supernatural: The Complete Seventh Season

Sam (Jared Padalecki) and Dean (Jensen Ackles) prepare for what may be the toughest fight of their lives when Castiel (Misha Collins) accidentally releases the seemingly unstoppable Leviathans. Bent on enslaving (and then eating) all of humanity, it's up to the Winchester brothers, Bobby (Robert Singer), and Cas to save the population from total digestion.