We know you're curious about Hack/Slash. Here's your chance to see what all the cool kids already know! A huge cosmic crossover somewhere is screwing things up for Cas and Vlad as every holiday slasher is suddenly activated to kill on the same day! Now, the exhausted duo faces The Groundhog's Day Killer is cutting a swath across a small town! Blood, skin, laughs, and a bevy of cameos!