This article or section contains spoilers for unaired episode(s). Read at your own discretion. Once the episode in question has aired, this tag may be removed.
Galaxy Brain is the 12th episode of Season 15. It will air on March 16, 2020.
|There was something about being there... It felt pure.|
This episode summary is an official CW press release. It may contain errors.
DO NOT CHANGE!
Sam and Dean respond to a frantic call and together along with Castiel, Jack, and Jody Mills (guest star Kim Rhodes), assist in an extraordinary and heartbreaking rescue. Billie (guest star Lisa Berry) surprises everyone with a visit to the bunker.
- Jared Padalecki as Sam Winchester
- Jensen Ackles as Dean Winchester
- Misha Collins as Castiel
- Alexander Calvert as Jack Kline
- Kim Rhodes as Jody Mills
- Lisa Berry as Billie
- Yadira Guevara-Prip as Kaia Nieves and Alternate Kaia Nieves
- Rob Benedict as God
- TBA as Bunker Reaper
Featured Supernatural Beings
- Archangels (Alternate Lucifer, Michael, mentioned only)
- Cloaked Figures
- Dreamwalker (Kaia Nieves and Alternate Kaia Nieves)
- Grigori (Kabaiel, mentioned only)
- Nephilim (Jack Kline)
- Primordial Entities (God; The Darkness, mentioned only)
- Psychics (Patience Turner, mentioned only)
- Reapers (Billie, Meryl)
- Seraph (Castiel)
- Witch (Rowena MacLeod, mentioned only)
- Jody Mills previously appeared in The Scar.
- Alternate Kaia Nieves previously appeared in The Spear.
- Billie last appeared in The Trap.
- Ordinary angels previously appeared in Jack in the Box.
- The Bad Place and the Cloaked Figures previously appeared in Wayward Sisters.
- This is the second time Robert Berens and Meredith Glynn collaborated to write an episode with The Future being the first one.
- This is the first time Castiel sees Billie as the new Death.
- This is the first time Jody has been to the Men of Letters Bunker.
- It is confirmed that Jack still has no soul as of this episode.
- God has been destroying other worlds.
- While on Earth 2, God displays images of the Sam on Demon Blood killing his brother and another Dean's failed attempt to kill his Lucifer with the Colt.
- God reveals that the Universe, Sam and Dean live in is in fact his original creation. The alternate universes are worlds he created afterwards.
- It is revealed Kaia survived her wound, as her counterpart left materials to do so.
- Jack is briefly seen glancing at the Winchesters' initials carved into the table and touching Mary Winchester's in particular.
- This is the first time Castiel and Jack interact with Jody.
- This is the first time Jack meets the Alternate Kaia.
Behind the Scenes