Ep 19. Folsom Prison Blues

Sam and Dean find themselves in prison in the episode "Folsom Prison Blues", after they get arrested for a crime they didn't commit. The two brothers decide to investigate a mysterious and suspicious death in the prison, and discover that a ghost is haunting the place and killing inmates.

As they try to uncover the truth behind the ghost's identity, Sam and Dean face different challenges and obstacles, not only from the prison guards but also from fellow inmates who are hostile towards them. Meanwhile, they receive help from a friendly convict named Bela, who provides them with information and equipment to aid them in their mission.

As they delve deeper into the case, Sam and Dean begin to unravel a conspiracy involving corrupt guards and an illegal fighting ring that is tied to the ghost's past. With time running out and the ghost becoming more violent, they must find a way to stop it before it claims more lives.

The episode is full of suspense and action, featuring intense fight scenes as well as humorous banter between the two brothers. It also explores the theme of justice and the corrupt nature of the penal system, as the brothers witness firsthand the harsh conditions and unfairness of prison life.

Overall, "Folsom Prison Blues" is a thrilling and entertaining episode that showcases the chemistry and dynamic between the two main characters, while also offering an intriguing mystery for them to solve.