It's off to a crime scene for Sherlock and Watson in this Sherlock scene. It is from "On the Line."
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Holmes is frustrated by a serial killer case gone cold on Elementary, "On the Line" is the ninth episode of the show's second season.
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Elementary Season 2 Episode 9 Quotes

Lucas: I like your place.
Sherlock: The walls are a bit thin; they will never hold back our blood curdling screams. But, we call it home.

I’m curious, did you come here to hoping to scare us. Or are you just being a good predator.

Sherlock