Things You Never Knew About 'Supernatural' (Including Spinoff Drama & the Role Jensen Ackles Actually Auditioned For)

Supernatural is one of those television shows that never gets old. Years after going off air, fans are still watching it all the time.

But no matter how often you binge the series from start to finish, we bet that there is still so much that you don’t know about it still.

Premiering in 2005 and running for 15 seasons, the franchise centered on characters played by the likes of Jensen Ackles, Jared Padalecki and Misha Collins.

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…