Season 9 Episode 20 episode 20

Supernatural Season 9 Episode 20 "Bloodlines" Photos

Supernatural Season 9 Episode 20 "Bloodlines" Photos

The CW has released a ton of spoiler photos for the pilot of the spin-off of Supernatural, Season 9 Episode 20 "Bloodlines," airing April 29. Get your first look at Sam and Dean investigating the monster families of Chicago.