- Actor Allusion: Takahata101 playing a vampire named Alucard and Ghost Nappa in another episode.
- Family-Unfriendly Aesop: You can get rid of your problems with hate.
Ssm: I killed a ghost...with nothing but hateful words.
- Ho Yay: Sam and Dean, naturally.
- Dean insists that Castiel is his imaginary boyfriend.
- Retroactive Recognition: xbubblymunkyx as almost every female in the entire series before she hit it big as Asuna.