It's Supernatural's 300th episode! Here's the trailer.
 
 
We also have a sneak peek already!
 
 
Something is changing the timeline. Dean is a wanted man. Sam is an Internet star. What do you think is happening? Oh no! Somebody took the Impala. Let us know in the comments or in the discussion thread for episode 13.
 
 For more on this historic episode. Visit the SPN 300 Episodes tag.