Supernatural may have ended five years ago, but it remains a fan-favorite series to this day!

The series was created by The Boys‘ Eric Kripke and first debuted in September 2005 on The WB, which became The CW.

Starring Jared Padalecki and Jensen Ackles as Winchester brothers Sam and Dean, respectively, the series followed the siblings as they crossed the country, investigating paranormal activity and picking fights with demons, ghosts and monsters.

While the most dedicated viewers might have watched Supernatural through multiple times, there are still some details from behind the scenes that they might be missing out on. We pulled together 14 secrets from the set that you might not know.

The list includes offscreen romances, a trio of actors who got matching tattoos, what a franchise star took home from set and details about an actor who wasn’t thrilled with the way their character’s story ended.

Scroll through the slideshow to see 14 secrets from the set of Supernatural…