Supernatural 9x21 "King of the Damned" - Castiel (Misha Collins) captures one of Metatron's angels (guest star Gordon Woolvet) and asks Sam (Jared Padalecki) and Dean (Jensen Ackles) for help with the interrogation. Dean eagerly accepts, which doesn't go unnoticed by Sam. Meanwhile, Abaddon (guest star Alaina Huffman) demands Crowley (Mark Sheppard) help her kill Sam (Jared Padalecki) and Dean (Jensen Ackles). When he refuses, she reveals her shocking bargaining chip. Also, Castiel (Misha Collins) sets a meeting with Gadreel (guest star Tahmoh Penikett). PJ Pesce directed the episode written by Eugenie Ross-Leming & Brad Buckner (#921).