So I mentioned that Hercules: The Legendary Journeys did the whole "cast playing themselves (sorta)" episode years and years before Supernatural ever even existed.
Well they also did the whole "important supporting cast member gets blown up" thing:
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I don't usually post videos, but I cannot stop looking at this. I don't know. Maybe it's seeing Bruce Campbell in a red wig.
Also,
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Right. I'll shut up now. Won't even mention the
male cast singing the theme song in chorus in the restroom. While they all pee. Nope.