Derek is alive, Teen Wolf fans. He listens to Ms. Blake in this scene.
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How bad could one night at a motel get on Teen Wolf? "Motel California" is the sixth episode of the show's third season.
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Teen Wolf Season 3 Episode 6 Quotes

Derek: How bad?
Ms. Blake: To be honest, the "oh my God" would be for your wonderful physique if not for the fact that you're bleeding black blood.

Stiles: Are you serious? Have you still not seen Star Wars?
Scott: I swear, if we make it back alive, I will watch the movie.
Stiles: It just makes me crazy.