Slumber Party

Slumber Party is the 4th episode of Season 9

Cast
Main
 * Jared Padalecki as Sam Winchester
 * Jensen Ackles as Dean Winchester
 * Misha Collins as Castiel

Plot
N/A

Spoilers

 * It will feature a flashback to the 1930's with a character called Haggerty. It will also feature a huntress called Dorothy. Source
 * Haggerty is a veteran member of the Men of Letters, and will appear during a 1930s flashback in this episode. He's to be played by Whodunnit's host Gildart Jackson.