Trivia: Although Laurel is a couple of years older than Sara, Katie Cassidy is only about a month older than Caity Lotz.
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: 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.
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: Casey is playing catch with a football at a Chicago Bears game. Casey throws the football is back underhand like it's a rugby ball and not the American way overhead. Casey is played by Jesse Gordon Spencer who is an Australian actor, so that's why he threw the football like it was rugby ball. (00:01:07)
Trivia: Judith Light plays Mitch Pileggi's mother in the series, even though in real life she's only three years older than him.
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.