Trivia: When Neil is being interviewed by Rebecca Halliday he mentions a fictional country named Equatorial Kundu. This is the same fictional country mentioned in several different episodes of The West Wing, also by Aaron Sorkin.
Trivia: When Barry and Oliver are fighting on the street, a police officer asks for backup and mentions Burton and Nolan street, as reference to Christopher Nolan and Tim Burton.
Trivia: Piper is called such a little liar by Ben. This is an homage to her role in a different TV show called Pretty Little Liars.
Trivia: This show pays many homages to the 1968 film Bullitt which was also set in San Francisco. Firstly officer Rebecca Madsen's car is the exact same make, colour, and model Mustang that Steve McQueen drove in Bullitt. Also the final episode (Tommy Madsen) features a car chase which recreates many shots from the 1968 film. It even includes the green Beetle Volkswagen coming down the hill as seen in the movie.
Alienation - S2-E2
Trivia: Pierce and Moretti are questioning a woman at her front door. The doorbell chime is the theme from Close Encounters of the Third Kind. Fittingly, she thinks her husband was abducted by aliens.
Trivia: Judith Light plays Mitch Pileggi's mother in the series, even though in real life she's only three years older than him.