'Supernatural' season 13 episode 6 spoilers: Sam and Dean investigate western town's disappearances

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Official promo poster of The CW series, "Supernatural."

In the next episode of "Supernatural," Sam Winchester (Jared Padalecki) and his brother Dean (Jensen Ackles) go to a sleepy western town to investigate some disappearances.

The trailer for the upcoming installment titled "Tombstone" was released just recently and showed Sam and Dean visiting an old western town to take on a case about a mysterious deceased gunslinger and reported disappearances. They are joined by Castiel (Misha Collins) and Jack (Alexander Calvert) to help with the case. Castiel looks at an old picture of the dead cowboy who Dean claims to be one of the greatest gunfighters ever. Things take a fatal turn when the town's sheriff is pulled under the ground by a pair of hands. In another instance, another deputy is pulled underneath his car as he screams for help. Sam and Dean have their hands full with the growing number of disappearances.

Meanwhile, Dean is glad that Castiel has come back from the empty dimension. They both wear cowboy hats as they look at more pictures of old gunfighters in history. Dean sees a portrait of the notorious Doc Holliday and is visibly thrilled. "He really likes cowboys," Jack tells Castiel as they observe more of Dean's antics. "Yes, he does," the angel says in return. It remains to be seen if the deceased gunslinger is connected to the recent disappearances.

In the last episode, Sam and Dean took on the ghost of a demented surgeon who liked to drill the heads of his patients. They burnt his surgical masks which consequently enflamed his spirit. The ghosts of his patients were released from his grasp and went on to a better place. The Winchester brothers saved the day once more.

"Supernatural" season 13 episode 6 will hit the airwaves on Thursday, Nov. 16 at 9 p.m. EST on The CW.