Everything we know about Supernatural season 14 episode 3.
The official press release

“The Scar” — (8:00-9:00 p.m. ET) (TV-14, V) (HDTV)
KIM RHODES RETURNS AS SHERIFF JODY MILLS – Still trying to solve the mystery of what happened to Dean (Jensen Ackles), Sam (Jared Padalecki) enlists the help of Sheriff Jody Mills (Kim Rhodes) who may unknowingly already be on the case. Castiel (Misha Collins) continues to be a father figure to Jack (Alexander Calvert), who surprises even himself, when a life is on the line. Robert Singer directed the episode written by Robert Berens. (#1403). Original Airdate 10/25/2018

Source:
The CW
 
The original trailer
 
 
The sneak peek
 
 
 The promotional pictures.
 
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 For additional information, rumors and BTS material check out the discussion thread for episode 3
 
Jody returns and is working on a case that may tie help figure out what happened to Dean. Cas and Jack bond. What will Jack do that surprises even himself. Cas goes inside Dean's head eto figure out why Michael left Dean (if he left Dean). What do you think Cas will find? What kind of case is Jody working? Let us know all your thoughts in the comments or in the discussion thread for episode 3