Whoa! Cool! This is a look at the Teen Wolf episode "A Promise to the Dead."
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Scott has to do battle with an old enemy on Teen Wolf. "A Promise to the Dead" is the 11th episode of the show's fourth season.
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Teen Wolf Season 4 Episode 11 Quotes

If I'm going to watch an entire lacrosse game, you better not suck.

Malia

Deaton: I need to know what she did to Derek Hale, and if he's dying.
Dr Valek: Why?
Deaton: Because of a promise I made to a woman I loved.