Raj: Here's what I wonder about zombies. [The others groan] What happens if they can't get any human flesh to eat? They can't starve to death, they're already dead.
Howard: [To Leonard] You take this one. I spent an hour last night on do how vampires shave when they can't see themselves in the mirror.
Sheldon: Well-groomed vampires meet in pairs and shave each other: Case Closed!
Raj: Yeah, OK, so zombies?
Leonard: I guess it depends on the zombies, Raj, are we talking slow zombies, fast zombies? Like in 28 Days if those zombies didn't eat, they starved.
Howard: You're thinking of 28 Days Later. 28 Days is when Sandra Bullock goes to rehab and puts the audience into an undead state.

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