This is a scene from "Vatos." It's the fourth episode of the first season of The Walking Dead.
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Say hello to Rick Grimes. It's safe to say he has a lot to deal with on The Walking Dead.
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The Walking Dead Season 1 Episode 4 Quotes

Daryl: You've got some balls for a Chinaman.
Glenn: I'm Korean.
Daryl: Whatever.

Daryl: I aint so worried about some dumb dead bastard.
Rick: What about a thousand dumb dead bastards. Different story?