With over 300 episodes and 15 seasons, Supernatural is a long show to commit to. So here are the 10 best standalone episodes ...

Supernatural began airing in 2005 ... and it makes the pair more motivated than ever to track down the yellow-eyed demon responsible for decades of suffering in their family.

While Supernatural season 16 has yet to receive official confirmation, the series remains one of the CW network's most enduring projects.