'Brooklyn Nine-Nine' trivia and fun facts

Andy Samberg wanted to take a break from TV after eight years on 'Saturday Night Live'. However, when he saw the script, he thought it was too funny to pass up.

After shooting each scene a few times verbatim, the actors then shot a few more when they improvise to make the scene funnier if possible.

Kyra Sedgwick also played a deputy chief on her hit show 'The Closer'.

Unusual for a comedy series, the cast went through police and firearms training.

Andy Samberg and Chelsea Peretti (who play Peralta and Linetti respectively) went to the same elementary school, just as their characters had in the series.