The CW's fantasy horror adventure series, "Supernatural", is coming back with a brand new episode a few days from now. Several speculations and spoilers have been appearing online regarding on the possible scenarios that fans may expect when the series returns.

On "Supernatural" episode 9, it featured Mary Winchester, portrayed by Samantha Smith, and Castiel, played by Misha Collins, to finally find the Winchester brothers, Dean (Jensen Ackles) and Sam (Jared Padalecki) after they escape from the government black site.

The brothers fought against the soldiers and defeated them then they told the Secret Service afterwards that they were just trying to save the president of the US from possession instead of trying to assassinate him. The upcoming episode 10 of "Supernatural" would reportedly focus on Castiel and the origin of his past before he was 'humanized.'

According to a report from Entertainment Weekly, as fans have already know of Castiel in the present, the next episode is going to feature more scenarios from his past. The upcoming episode of"Supernatural" season 12 will reportedly give fans and viewers a glimpse of what the character was like when he was just observing humans.

Actor Jared Padalecki, who portrays Sam Winchester, revealed to the source that the "SupernaturalSeason12 fans are going to witness an episode where they can see what the heavenly creature was like before he was 'humanized a little bit.' Actor Misha Collins, who portrays the heavenly creature character also teased the fans on what they can expect on Castiel.

Moreover, according to TV Guide, executive producer Andrew Dabb said that they are going to detail the"Supernatural" season 12 episode that will revolve on Castiel, as much as the fans could understand where the angel came from. It can be remembered that Castiel was the one who rescued Dean Winchedter from hell.

The tenth episode of "Supernatural" Season 12 airs on February 2, 2017 on The CW.