Metatron is huge. Control of Hell is huge. The Mark of Cain is huge.
And, yet, diving right into a hunt for a vampire nest with two Winchester brothers agreeable in their endeavors without focusing on that major mythology actually put a smile on my face.
Supernatural Season 9 Episode 19 was one of those hours that could fit anywhere, hearkening back to the times when it was simply about the hunt and meeting up with someone who knew of monsters but still needed Sam and Dean to do their work.
Sure, you could throw this episode away, and nothing would really change, but it was an entertaining hour that felt old school and provided a possibility of something still consequential happening.