Official photos from the Supernatural season 12 finale, “All Along the Watchtower,” airing Thursday, May 18 at 9/8c on the CW.

Official Synopsis from the CW: “Lucifer (Mark Pellegrino) battles Sam (Jared Padalecki), Dean (Jensen Ackles) and Castiel (Misha Collins) for control of his unborn child.”

#17 The Winchesters

#16 Mary Looks Like She’s Back to Normal

#15 Sam and Dean

#14 Lucifer Wants His Son

#13 Can the Winchesters Stop Lucifer?

#12 Sam

#11 Ready to Fight Lucifer

#10 Cas and the Boys

#9 Sam and Cas

#8 Dean and Cas

#7 Lucifer

#6 Kelly Kline

#5 Cas

#4 Will Cas Protect His Nephilim Nephew?

#3 Mary the Midwife

#2 It’s Baby Time

#1 Will Kelly Survive the Birth?

John Kubicek

Senior Writer, BuddyTV

John watches nearly every show on TV, but he specializes in sci-fi/fantasy like The Vampire Diaries, Supernatural and True Blood. However, he can also be found writing about everything from Survivor and Glee to One Tree Hill and Smallville.