Watch ‘Supernatural’ Season 9, Episode 21 Live Stream Via Free CW Live Streaming: Abaddon Blackmails Crowley One Week Before Finale!

"Supernatural" season 9, episode 21 airs tomorrow night - find out where to watch "King of the Damned" online via a free live stream of the CW. Abaddon will blackmail Crowley while Castiel captures one of Metatron's angels. Only one week before the season 9 finale!

If you can't make it to a TV by 9pm EST tomorrow night to catch "Supernatural" season 9, episode 21, click here or here to watch "King of the Damned" online via a free live stream of the CW.

If that doesn't work, the CW also offers episodes on their website to watch online after an episode airs.

The official synopsis for this week's episode reads: "ABADDON BLACKMAILS CROWLEY - 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)."

There's only one week left before the "Supernatural" season 9 finale titled "Stairway to Heaven"! The season fianle airs on May 13.

"Supernatural" season 9, episode 21 airs tomorrow night, Tuesday, May 6 at 9:00 PM EST on the CW.