Supernatural gets a bit meta this Friday.

On an episode hilariously titled "Season 7, Time for a Wedding," Sam will run into a figure from his past, which leads to a confrontation. Meanwhile, DJ Qualls stops by for an appearance as Garth, a laid back hunter who teams up with Dean.

Read through our review of last week's ghost-filled adventure and then prepare for this fun installment via the official preview below.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.