• (L-R) Jared Padalecki, Jensen Ackles and Misha Collins attend the 'Supernatural' Special Video Presentation And Q&A during Comic-Con International 2016 held on July 24, 2016 in San Diego, California.

(L-R) Jared Padalecki, Jensen Ackles and Misha Collins attend the 'Supernatural' Special Video Presentation And Q&A during Comic-Con International 2016 held on July 24, 2016 in San Diego, California. (Photo : Getty Images/Kevin Winter)

In the upcoming midseason premiere of "Supernatural" Season 12, the Winchester brothers Sam (Jared Padalecki) and Dean (Jensen Ackles) will be faced with the huge problem of finding a way out of a secret government facility. It will be up to Castiel (Misha Collins) and Mary (Samantha Smith) to come up with a plan to rescue the two siblings, where they might need to seek help from their enemies.

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"Supernatural" Season 12 episode 8 ended with the arrest of the two Winchester brothers after they attacked the President of the United States. Aired on Dec. 8, 2016, the said episode featured Sam and Dean's battle with Lucifer, who chose to inhabit the body of the U.S. President to deploy his evil plans.

Despite vanquishing the villain, the government arrested Sam and Dean given their attempted assassination of the said U.S. leader. In the upcoming "Supernatural" Season 12 episode 9 titled "First Blood," the story will pick up on the two Winchester sibling's imprisonment, as well as Castiel and Mary's efforts to get them out.

However, finding where the two brothers were taken will be very difficult. Following Sam and Dean's arrest, they were taken to an underground facility hidden deep in the forest, according to episode spoilers posted on Spoilers Guide.

Moreover, rescuing the two protagonists will also prove to be a daunting task. Castiel and Mary will not be able to convince law enforcement officials that Sam and Dean only attacked the President since he was possessed by Lucifer at that time.

Given the said challenge, Mary and Castiel will partner with an "unlikely source" to rescue the Winchester brothers. Story speculations indicated that the two characters might be forced to seek the assistance of the British Men of Letters.

In an earlier interview with TVLine, showrunner Andrew Dabb teased that the said organization will have a "very specific reaction" to Sam and Dean's imprisonment. The British Men of Letters will also attempt to recruit the two siblings in the back half of "Supernatural" Season 12, according to Dabb.

"Supernatural" Season 12 episode 9 will be released on Jan. 26, Thursday, on the CW at its new 8 p.m. ET timeslot. Watch a teaser clip for the said episode below: