Sam and Dean go undercover in a haunted prison to stop a vengeful spirit.

Searching for does not yield a direct match for a specific television episode with that exact title. However, the title appears to be a descriptive or fan-given name for episodes in series known for "haunted" themes or "surprises."

The episode focuses on the supernatural petroglyphs in Owl Cave, which serve as a map to a haunted, extra-dimensional realm. 4. Other Potential Matches

1. Buffy the Vampire Slayer: " I Only Have Eyes For You " (S2E19)

The ghosts of James and Grace reenact their tragic murder-suicide by possessing current students and staff.

Often described as a "haunted" episode, this story centers on Sunnydale High being haunted by the ghosts of a 1950s student and teacher.

Windom Earle tells a "bedtime story" about the mythical Black Lodge to his captives.

The episode serves as a haunting parallel to Buffy and Angel’s own tragic romance, with Giles also being targeted as he hopes the ghost is his late lover, Jenny Calendar. 2. Supernatural: " Folsom Prison Blues " (S2E19)