This is just outstanding work.
For those of you who haven't heard of Brooklyn Nine-Nine, you're about to find out why it's become very popular both in the US and beyond.
It's a comedy set in a police station in Brooklyn, where a bunch of detectives humourously find ways to solve the cases they've been handed.
Well, in their latest episode last week, the Nine-Nine showed it's true comic credentials, when Detective Jake Peralta (played by Andy Samberg) was investigating a murder, and had 5 potential suspects.
He had the sister of the deceased involved to pick out who matched her description of the killer, but there was one problem as she never actually saw his face.
All she could judge on was the suspects singing voice, as she only heard him sing the Backstreet Boys classic 'I Want It That Way'.
So naturally, Detective Peralta could only do one thing: