If a zombie bites a VAMPIRE...
The Big Bang Theory Season 6, Episode 9
He almost burst into flames
like a VAMPIRE.
The Big Bang Theory Season 4, Episode 19
Mother, she's an atheist, not a VAMPIRE.
The Big Bang Theory Season 9, Episode 24
Buffy the Vampire Slayer
continued on as a comic book.
The Big Bang Theory Season 6, Episode 21
...and the VAMPIRE bites a human...
The Big Bang Theory Season 6, Episode 9