FELICIA DAY RETURNS AS CHARLIE — Charlie (guest star Felicia Day) calls Sam (Jared Padalecki) and Dean (Jensen Ackles) to tell them she found the Book of the Dead which could help remove the Mark of Cain. The Winchesters race to her after she tells them she’s been shot by a man named Jacob Styne (guest star Jeff Branson) who says the book belongs to his family and he won’t rest until he gets it back. Castiel (Misha Collins) and Metatron (guest star Curtis Armstrong) take a road trip to find Castiel’s grace but they hit a couple road bumps along the way. PJ Pesce directed this episode written by Robbie Thompson (#1018). Original airdate 4/15/2015 via The CW

CHARLIE RETURNS FROM OZ — Sam (Jared Padalecki) is scanning the internet for suspicious paranormal activity and comes across a video of Charlie (guest star Felicia Day) beating up a district attorney. Dean (Jensen Ackles) suspects she’s back from Oz and hunting on her own, assuming the district attorney must have been a demon. When they do find Charlie, they are shocked when she tells them why she really came back from Oz. Phil Sgriccia directed this episode written by Robbie Thompson (#1010). Original airdate 1/27/2015 via spoilerTV.com

10.12 About A Boy

DEAN IS TURNED INTO HIS 14 YEAR OLD SELF — Looking to get Dean (Jensen Ackles) out of the bunker, Sam (Jared Padalecki) finds a case for him and Dean to investigate – people are disappearing into thin air with only their clothes left behind. Sam and Dean suspect fairies or angels, but the truth turns out to be much more shocking – Hansel (guest star Mark Acheson), from Hansel and Gretel lore, is kidnapping people and turning them into their younger selves to placate the evil witch (guest star Lesley Nicol). Unfortunately, Dean finds this information out the hard way after he becomes Hansel’s next victim and reverts to his 14 year old self. Serge Ladouceur directed this episode written by Adam Glass via theCW

10.13 Halt & Catch Fire (I Die)

GHOSTLY CONNECTION — A ghost starts killing people through various electronic devices. Sam (Jared Padalecki) and Dean (Jensen Ackles) discover who was killed and why this ghost is seeking revenge on a group of college students but what they can’t figure out is how he’s doing it. With three dead, the brothers must stop the ghost before he claims his next victim. John Showalter directed this episode written by Eric Charmelo & Nicole Snyder (#1013). Original airdate 2/10/2015 via TheCW

10.14 The Executioner’s Song

THE RETURN OF CAIN — Dean (Jensen Ackles), Sam (Jared Padalecki) and Castiel (Misha Collins) deal with Cain’s (guest star Timothy Omundson) return. Crowley (Mark Sheppard) and Rowena (guest star Ruth Connell) continue to grow closer but when Crowley bails on plans with his mother to help the Winchesters, Rowena lets him have it. Phil Sgriccia directed this episode written by Robert Berens (#1014). Original airdate 2/17/2015