Supernatural Season 12 Episode 21
There's Something About Mary
On this episode of Supernatural...
Mr. Ketch uses a loaned hell hound to hunt down and kill Eileen.
Mary learns she is being brainwashed to kill other hunters.
Mr. Ketch and Toni learn they are being pitted against each other for a new job.
Sam and Dean learn they are being bugged by the British Men of Letters and set up a plan.
Mary tries to kill herself and then tries to convince Ketch to do it.
Sam and Dean capture Toni and learn about the plan to kill the hunters.
The power Crowley had over Lucifer reverses and Lucifer gets free.
Lucifer thinks he kills Crowley, but Crowley escapes in a rat.
Mr. Ketch corners Sam and Dean at the bunker and Mary rescues Mr. Ketch. He leaves them with Toni locked in the bunker to die.