Byzantium

Byzantium is the 8th episode of Season 14. It aired on December 6, 2018.

Summary
When Sam and Dean join forces with an unexpected ally, the outcome will alter the course of two lives. Meanwhile, Heaven faces an attack from a dark force, driving Castiel to make an enormous sacrifice to make things right.

Plot
TBA.

Main Cast

 * Jared Padalecki as Sam Winchester
 * Jensen Ackles as Dean Winchester
 * Misha Collins as Castiel
 * Alexander Calvert as Jack

Guest Stars

 * Courtney Ford as Kelly Kline
 * Erica Cerra as Duma and The Shadow
 * Amanda Tapping as Naomi
 * Veronica Cartwright as Lily Sunder

Co-Stars

 * Carmela Guizzo as young Kelly Kline
 * Sean Amsing as Anubis
 * Riun Garner as Zuriel

Featured Supernatural Beings

 * Angels
 * Archangel
 * Nephilim
 * Deities ,
 * Primordial Entities
 * Seraph

Continuity

 * Duma and Naomi previously appeared in Funeralia.
 * Kelly Kline and The Shadow previously appeared in The Big Empty.
 * Lily Sunder previously appeared in Lily Sunder Has Some Regrets.
 * Heaven was previously featured in Funeralia.
 * Mary Winchester was mentioned in this episode. She previously appeared in Nightmare Logic.
 * Alternate Michael was mentioned in this episode. He previously appeared in a flashback in The Scar.
 * Billie was mentioned in this episode. She previously appeared in Funeralia.
 * Ishim was mentioned in this episode. He previously appeared in Lily Sunder Has Some Regrets.
 * May was indirectly mentioned in this episode. She previously appeared in Lily Sunder Has Some Regrets.
 * Donatello Redfield was mentioned in this episode. He previously appeared in Good Intentions.
 * God was mentioned in this episode. He previously appeared in Alpha and Omega.
 * Kevin Tran was mentioned in this episode. He previously appeared as a ghost in All in the Family.
 * Metatron was mentioned in this episode. He previously appeared in All in the Family.
 * Osiris was mentioned in this episode. He previously appeared in Defending Your Life.
 * The problems Heaven is currently facing was mentioned in this episode. It previously happened in Funeralia.
 * The meeting of Castiel and The Shadow was mentioned in this episode and featured in a flashback. It previously happened in The Big Empty.

Trivia

 * This episode marks the death and resurrection of Jack.
 * As of this episode, all members of Team Free Will 2.0 have died at least once.
 * This marks the first official meeting of Jack and his mother.
 * It is revealed in this episode that the entity that resides in The Empty is called The Shadow.
 * Castiel makes a deal for his life over Jack's with the Shadow, the latter agrees but will come for him when he is at his most happiest since it wants his end to be painful.