Two of Supernatural's funniest episodes focus on the same character, but his first appearance is also a hilarious addition to the CW series — and it simply doesn't get enough love. Supernatural is known for injecting humor into its monster-of-the-week narratives and high-stakes storylines. And the series does an impressive job of it throughout its 15-season run. Some of the show's most hilarious adventures are the ones that depart from its usual blueprint. In fact,Supernatural is at its best when breaking its formula.