The CW released a Episode Trailer and 2 Preview Clips of the season finale “Survival of the Fittest“.

Sam & Dean prepare for battle with Dick Roman (James Patrick Stuart). Dick’s in the final phase of his plan and the Winchesters must team up with Castiel (Misha Collins), Bobby (Jim Beaver), Meg (Rachel Miner) and Kevin (Osric Chau), the prophet, to stop him. However, Dick is one of the smartest enemies they’ve ever faced so it’s a mind game to see who can keep the upper hand.

Airs on Friday, May 18th, @ 9/8c, Don’t miss it!

You can check-out the episode stills by Clicking Here. Don’t worry, Supernatural has been renewed
for Season 8, and will return this fall. You can read the full story here.