"Good God Y'all" official description:
The episode, titled “Good God, Y'all,” will air on Thurs., 9/17 at 9:00 p.m. ET/PT on The CW.
When Bobby (guest star Jim Beaver) gets an urgent call from Rufus (guest star Steven Williams) that's suddenly cut off, Sam (Jared Padalecki) and Dean (Jensen Ackles) rush to Colorado to try to help him. What they find is a town overrun by a new breed of demons, some old friends – and a past that continues to haunt them. Also stars Misha Collins as ‘Castiel’ and guest stars Samantha Ferris as ‘Ellen Harvelle,’ Alona Tal as 'Jo Harvelle,' and Titus Welliver as ‘Roger.’ “Good God, Y'all” was written by Sera Gamble and directed by Phil Sgriccia .
Source: The CW.