Supernatural has had many hits and misses in its run. But its most controversial episode was brought to life for a very specific reason.

Some TV shows can run for a long time and still be great from beginning to end, but others go on for too long, and it shows.

Looking back on Supernatural’s early episodes, it’s easy to remember the scares, the monster of the week, and the build-up of the Winchester mythology. Every episode featured the Winchester brothers ...