The CW announced the renewal of Supernatural for a twelfth season on March 12, 2016. The show continued to air on The CW, but was moved to Thursdays. The season premiere, Keep Calm and Carry On, aired on October 13, 2016.
- Jared Padalecki as Sam Winchester (10/23)
- Jensen Ackles as Dean Winchester (10/23)
- Misha Collins as Castiel (7/23) (episodes 1-3, 7-10)
- Mark Sheppard as Crowley (6/23) (episodes 1-3, 7-9)
Special Guest Star
- Samantha Smith as Mary Winchester (5/23) (episodes 1-3, 6, 9)
- Ruth Connell as Rowena (3/23) (episodes 2-3, 8)
- David Haydn-Jones as Arthur Ketch (4/23) (episodes 2, 4, 8-9)
- Adam Fergus as Mick Davies (3/23) (episodes 2, 8-9)
- Elizabeth Blackmore as Lady Toni Bevell (2/23) (episodes 1-2)
- Lisa Berry as Billie (2/23) (episodes 6, 9)
- Kim Rhodes as Jody Mills (1/23) (episode 6)
- Adam Rose as Aaron Bass (1/23) (episode 5)
- Mark Pellegrino as Lucifer (0/23)
- Theo Devaney as Gavin MacLeod (0/23)
- Brianna Buckmaster as Donna Hanscum (0/23)
- David Chisum as Jefferson Rooney (1/23) and Lucifer (1/23) (episode 8)
- Woody Jeffreys as Tommy (3/23) (episodes 2-3, 7)
- Kara Royster as Alicia Banes (2/23) (episode 6, 9)
- Kendrick Sampson as Max Banes (1/23) (episode 6)
Episode List 2016-2017
|Keep Calm and Carry On||Writer: Andrew Dabb||Director: Phil Sgriccia||10/13/2016||#242 1201|
|MAMA WINCHESTER IS BACK — Dean (Jensen Ackles) is overwhelmed as he comes face to face with his mom, Mary Winchester (guest star Samantha Smith). Meanwhile, Sam (Jared Padalecki) is fighting for his life after Toni, from the Woman of Letters, shot him.
|Mamma Mia||Writer: Brad Buckner and Eugenie Ross-Leming||Director: Thomas Wright||10/20/2016||#243 1202|
|RICK SPRINGFIELD GUEST STARS — Dean (Jensen Ackles), Castiel (Misha Collins) and Mary (guest star Samantha Smith) have a lead on Sam (Jared Padalecki) and set out to rescue him. Dean is uncomfortable with putting Mary in danger but she insists on going along. Meanwhile, Crowley (Mark A. Sheppard) is tipped off that Lucifer has taken over the body of rock star Vince Vicente (guest star Rick Springfield).
|The Foundry||Writer: Robert Berens||Director: Robert Singer||10/27/2016||#244 1203|
|OH BABY – When a crying baby leads to death in a mysterious abandoned house, Mary (guest star Samantha Smith), Sam (Jared Padalecki) and Dean (Jensen Ackles) decide to investigate. Meanwhile, Castiel’s (Misha Collins) hunt for Lucifer (guest star Rick Springfield) leads him, begrudgingly, to partner up with Crowley (Mark A. Sheppard).
|American Nightmare||Writer: Davy Perez||Director: John Showalter||11/3/2016||#245 1204|
|OFF THE GRID – Sam (Jared Padalecki) and Dean (Jensen Ackles) investigate a case that leads them to a devout religious family that lives off the grid. The brothers realize that the parents are hiding a huge secret that could destroy them all. Meanwhile, Dean struggles to accept Mary’s (guest star Samantha Smith) latest decision.|
|The One You've Been Waiting For||Writer: Meredith Glynn||Director: Nina Lopez-Corrado||11/10/2016||#246 1205|
|EVERYBODY STILL HATES HITLER – After learning that the soul of Adolf Hitler has been trapped in a 1930’s gold pocket watch, Sam (Jared Padalecki) and Dean (Jensen Ackles) must act quickly to prevent a group of Nazi necromancers from resurrecting the Führer.|
|200px||Celebrating The Life Of Asa Fox||Writer: Steve Yockey||Director: John Badham||11/17/2016||#247 1206|
|THREE WINCHESTERS ARE BETTER THAN ONE – When hunters gather together to celebrate the life and tragic death of one of their own, Sam (Jared Padalecki) Dean (Jensen Ackles) and Mary (guest star Samantha Smith) must take action when a demon starts picking off hunters one by one.|
|Rock Never Dies||Writer: Robert Berens||Director: Eduardo Sanchez||12/1/2016||#248 1207|
|RICK SPRINGFIELD ROCKS OUT AS LUCIFER – Lucifer (Rick Springfield) realizes that as rock star Vince Vincente, he can get his fans to do whatever he wants. Thrilled with this power, Lucifer arranges to play a secret VIP concert in order to kill all of them. Sam (Jared Padalecki), Dean (Jensen Ackles) and Castiel (Misha Collins) enter the underbelly of the music industry to try to stop him.
|200px||Lotus||Writer: Brad Buckner and Eugenie Ross-Leming||Director: Phil Sgriccia||12/8/2016||#249 1208|
|THE CHASE CONTINUES – Lucifer’s search for power and influence in a vessel lands him in the White House. The President of The United States (guest star David Chisum) unknowingly makes a deal with the devil, leading Sam (Jared Padalecki), Dean (Jensen Ackles), Castiel (Misha Collins), Crowley (Mark A. Sheppard) and Rowena (guest star Ruth Connell) to band together to fight the Dark Lord.
|200px||First Blood||Writer: Andrew Dabb||Director: Robert Singer||01/26/2017||#250 1209|
|THE HUNTERS BECOME THE HUNTED – After being arrested for the attempted assassination of the President of The United States, Sam (Jared Padalecki) and Dean (Jensen Ackles) must find a way out of an underground, government-run, detention facility in the middle of nowhere. Determined to find her sons, Mary (guest star Samantha Smith) and Castiel (Misha Collins) seek assistance from an unlikely source.
|200px||Lily Sunder Has Some Regrets||Writer: Steve Yockey||Director: Thomas Wright||02/02/2017||#251 1210|
|ANGELS AMONG US – Lily Sunder (guest star Alicia Witt) steeps herself in black magic, honing her powers for over a century, waiting to exact revenge on a band of angels that murdered her family. Sam (Jared Padalecki) and Dean (Jensen Ackles) must work quickly to stop Castiel (Misha Collins) from becoming her next victim.
|Regarding Dean||Writer: Meredith Glynn||Director: John Badham||02/09/2017||#252 1211|
|DEAN LOSES HIS MEMORY - Sam (Jared Padalecki) enlists Rowena's (guest star Ruth Connell) help to track down an old world, powerful family of witches after Dean (Jensen Ackles) gets hit by a spell that is rapidly erasing his memory.
|Stuck in the Middle (With You)||Writer: Davy Perez||Director: Richard Speight Jr.||02/16/2017||#253 1212|
|RICHARD SPEIGHT JR. DIRECTS – Mary (guest star Samantha Smith) asks Sam (Jared Padalecki), Dean (Jensen Ackles) and Castiel (Misha Collins) for help on a case she’s working but neglects to mention the British Men of Letters are involved. When Mary is double crossed, everything is revealed.
|Family Feud||Writer: Brad Buckner and Eugenie Ross-Leming||Director: P.J. Pesce||02/23/2017||#254 1213|
|SAM AND DEAN ASK ROWENA TO FIND CROWLEY’S SON – When Sam (Jared Padalecki) and Dean (Jensen Ackles) look into a murder at a museum, they learn a ghost from a merchant ship that sunk in 1723 may be at the heart of the mystery. After realizing “The Star” was the same ship that Crowley’s (Mark A. Sheppard) son Gavin McLeod (guest star Theo Devaney) should have been aboard, they enlist help from Rowena (guest star Ruth Connell) to track Gavin down. Kelly Kline (guest star Courtney Ford), still pregnant with Lucifer’s child, takes refuge with a demon after an angel attempts to kill her.
|The Raid||Writer: Robert Berens||Director: John MacCarthy||03/02/2017||#255 1214|
|Somewhere Between Heaven and Hell||Writer: Davy Perez||Director: Nina Lopez-Corrado||03/09/2017||#256 1215|