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The titles for the upcoming episodes 14 and 15 of "Supernatural" Season 10 were recently revealed to tease the waiting fans on what to expect when the CW TV series returns this January. Based on the interesting titles released, the two episodes are expected to feature the return of "Supernatural" characters Cain (Timothy Omundson) and Charlie (Felicia Day) in the second half of the latest season.

According to a Spoiler TV report, "Supernatural" Season 10, episode 14 is titled "The Executioner's Song." The episode is expected to focus on the return of Cain after transferring the Mark on Dean Winchester (Jensen Ackles) in "Supernatural" Season 9, episode 11 titled "First Born."

The character appears to be the person who can help Dean Winchester in the second half of "Supernatural" Season 2 when it comes to the Mark of Cain storyline. In the mid-season finale episode titled "The Things We Left Behind," Dean is still struggling with the dark effects of the Mark of Cain even though he already got cured from being a demon and Sam (Jared Padalecki), Claire Novak (Kathryn Love Newton) and Castiel (Misha Collins) saw what Dean is capable of doing.

Meanwhile, "Supernatural" Season 10, episode 15 is titled "The Things They Carried." According to a Carter Matt report, actress Felicia Day has filmed another return appearance in "Supernatural" Season 10 as Charlie Bradbury.

Co-executive producer Robbie Thompson teased in a TV Line spoiler report that Charlie will come back from Oz "under precarious circumstances." Executive producer Robert Singer further teased that the red-haired character brought something back with her that is very dangerous.

"She teams up with the boys to track that dangerous thing down and hunt with them, basically," Singer shared. Additionally, the show's executive producer teased that the "Supernatural" fans will see a different Charlie when she returns.

As for the other red-haired character in the show, the spoiler report revealed that Rowena (Ruth Connell) will continue to interfere in Crowley's (Mark Sheppard) business as the King of Hell. "Supernatural" Season 10 is scheduled to return from its long holiday break on Tuesday night, Jan. 20, with episode 10 titled "The Hunter Games." The brand new episode will air at 9/8c on the CW Network.

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