After Myka asks about the Dark Vault, Pete says, "it's better than the 'oy gevalt' " and he and Artie laugh. "Oy gevalt" is a Yiddish phrase which means, roughly: "Oh, God!" or "woe is me."
Jillian Whitman (Erica Cerra) and Gary Whitman (Niall Matter) both play on the show Eureka (2006), and are dating in that show.
During the fight scene, Joanne Kelly accidentally pushed Eddie McClintock so hard that he fell against the wall so hard that he left a hole in the wall. Source: Dragon Con 2014
Eddie McClintock is a native of North Canton, Ohio, and a former wrestler. In the scene following the opening flash-forward, he (as Pete Lattimer) wears a North Canton wrestling t-shirt.
Artie asks Claudia for all the information on Dodgson. Lewis Carroll was the pen name of Charles Lutwidge Dodgson, who actually wrote "Alice in Wonderland" and "Through the Looking Glass".