Everything he knows about Supernatural season 15 episode 16.
The official press release
 
“Drag Me Away (From You)”

FLASHBACK TO A YOUNG SAM AND DEAN – Sam (Jared Padalecki) and Dean (Jensen Ackles) are asked to investigate the murder of a childhood friend, calling them back to a motel from their past and perplexing the brothers with a case they thought was solved a long time ago. Amyn Kaderali directed the episode written by Meghan Fitzmartin (#1516). Original airdate 10/22/2020.

Source:

CW

 
The original trailer
 
 
The promotional pictures
 
 
 
 
A final flashback episode, with a hunt from when Sam and Dean were kids. What are they hunting? How good will the casting be for Young Sam and Young Dean?  Who is the childhood friend who was killed? How do they find out the murder wasn't really solved? Give us your thoughts in the comments or in the discussion thread for episode 16.