[s6e21] Let It Bleed Link

Bobby discovers that on March 10, 1937, Lovecraft and a group of cultists successfully opened a door to Purgatory.

The investigation reveals that Bobby’s longtime friend and mentor, Dr. Eleanor Visyak , is actually the creature that crossed over from Purgatory during Lovecraft's ritual. Castiel eventually captures her to obtain the blood needed to reopen the door. Cast and Key Players Role in Episode Jensen Ackles Dean Winchester [S6E21] Let It Bleed

Parallel to the rescue, Bobby investigates the origin of the current threat, leading to a historical mystery involving horror author . Bobby discovers that on March 10, 1937, Lovecraft