The synopsis for the penultimate episode of Supernatural season 14
 
SUPERNATURAL
“Jack in the Box”— (8:00-9:00 p.m. ET) (Content Rating TBD) (HDTV)

A PILLAR OF SALT– Sam (Jared Padalecki), Dean (Jensen Ackles) and Castiel (Misha Collins) investigate a string of suspicious deaths that have a biblical element to them. Robert Singer directed the episode written by Eugenie Ross-Leming & Brad Buckner (#1419). Original airdate 4/18/2019.

Source:

The CW

 
So Jack in the Box, without any mention of Jack being in the episode. Interesting. Will we see and actual pillar of salt? What other biblical deaths can you think of? Let us know in the comments or in the discussion thread for episode 19.