Supernatural Season 10 Episode 9 “The Things We Left Behind” Synopsis

Misha Collins fans rejoice!

Supernatural will air a Castiel-centric installment on Dec. 9 titled “The Things We Left Behind.”

The episode will see Cas biting off more than he can chew when he is persuaded to free Jimmy’s daughter from a group home, and then loses her.

Meanwhile, Dean struggles with the frightening prospect of returning to his Demon-Dean days.

An official synopsis from the CW along with the latest trailer for the episode follows below:

CASTIEL REUNITES WITH JIMMY’S DAUGHTER CLAIRE

Castiel (Misha Collins) finds Jimmy’s daughter Claire (guest star Kathyrn Love Newton) in a group home and she convinces him to break her out.

After she runs away from him, Castiel calls Sam (Jared Padalecki) and Dean (Jensen Ackles) to help find her before she gets in trouble.

Meanwhile, Crowley (Mark A. Sheppard) faces his biggest challenge yet.

Tim Andrew directed this episode with teleplay by Jenny Klein and story by Jenny Klein & Phil Sgriccia (#1009). Original airdate 12/9/2014.