What a Night for a Dark Knight! - S1-E13
Trivia: Daphne talks about Alfred who was like an uncle to her. In DC comics, Batman's butler Alfred had a niece by the name of Daphne Pennyworth.
Model Kid/Public Television of the Dead - S2-E1
Trivia: When Kevin opens the fridge to get a bottle of beer, there's a milk carton in the back of the fridge. This carton has Laddie's picture on it from The Lost Boys, same as it was in that film.
Not All Men - S1-E7
Trivia: When Taissa leaves work and sees an angry man in his car repeatedly trying to jam his straw into his drink, the logo on the cup is the Busy Bee Cafe logo. The Busy Bee cafe was seen in the original Twilight Zone episode Nick of Time with William Shatner.
She Was Killed by Space Junk - S1-E3
Trivia: The Doctor Manhattan - themed sex toy that Laurie receives is called "Excalibur." This is a clue to Doctor Manhattan actually being Cal Abar, i.e. when he returns to his Doctor Manhattan form, he is "ex Cal Abar".
Hopkinsville - S2-E4
Trivia: If you look closely, that Bourbon that Captain Quinn is drinking is called "Ruppelt Bourbon", a nod to the real-life Captain Ed Ruppelt, the first Director of Project Blue Book, and who the character of Captain Quinn is partially based. Thanks to David O'Leary for the information. (00:18:20)