In an intriguing turn of events, "Supernatural" season 15, episode 15, showcases Castiel and Jack stepping into the roles of FBI agents. The episode unfolds as the duo collaborates in a new setting, delving into the investigation of supernatural occurrences while masquerading as federal agents. This shift in dynamics presents a novel perspective on the characters and their abilities, highlighting the challenges they face in their newly assumed roles.

As Castiel and Jack navigate the intricacies of the human world, armed with their supernatural powers, the episode delves into the complexities and potential conflicts that accompany their unique situation.

Viewers can anticipate witnessing the duo's utilization of their distinctive skills and knowledge to unravel the mysteries at hand. The episode also promises to explore their personal growth and the evolution of their relationships with each other.

This installment is set to be an exciting and intriguing addition to the final season of "Supernatural," offering fans a chance to see their beloved characters in a new and unfamiliar environment. The fresh approach adds depth to the series, keeping viewers engaged and eager to see how Castiel and Jack tackle the challenges of their new roles as FBI agents. As the series progresses towards its conclusion, this episode stands out as a testament to the show's ability to continually evolve and surprise its audience.