We have the synopsis for Supernatural season 14 episode 11.
 
SUPERNATURAL
“Damaged Goods”— (8:00-9:00 p.m. ET) (Content Rating TBD) (HDTV)
HOW DID WE GET HERE? – Dean (Jensen Ackles) spends some bonding time with Mary (guest star Samantha Smith) and Donna (guest star Briana Buckmaster). Nick (Mark Pellegrino) finally finds the answer he has been searching for. Sam (Jared Padalecki) is left to make an unimaginable choice. The episode was directed by Phil Sgriccia and written by Davy Perez (#1411). Original airdate 1/24/2019.

Source:

The CW

 
So Dean  is back, that's not a surprise. He's bonding with both Mary and Donna. What will they bond over? What unimaginable choice will Sam be forced to make? Will he make the "right" one?  Let us know in the comments or in the discussion thread for episode 11.