The CW Network has just provided us with two brand new TV spots for the upcoming season finales of Smallville and Supernatural. Both episodes will air on Thursday, May 15, with Smallville airing at 8 PM ET and Supernatural following at 9 PM ET. Click below to get a little taste of each season finales.

Smallville: Season Finale

Supernatural: Season Finale

SmallvilleArctic synopsis

Lex is taken to the Fortress to fulfill his destiny, while Lana awakens from her coma and Chloe is arrested by the government.

SupernaturalNo Rest for the Wicked synopsis

Sam, Dean, and Bobby hunt down Lilith and fight her and her demons in a final effort to save Dean's life.