In "The Camp" Alex lists all of Hobbes former company assignments and NSA is on the list. Darien asks him in this episode if he learned a particular skill as the NSA, he claims that he never worked for them.
Eberts: Who released the canines?
This is Eberts' nerdy version of Who Let the Dogs Out?, a popular song by the Baha Men, released as a single in the US in 2000.
Perfect Dark Deathmatch
The game that Eberts is playing alone, and then with Adam, is Perfect Dark. Together, they play the Deathmatch segment, which Adam refers to as Deathmate.
Darien: Kirk to Enterprise - Yo, Bones - ya there? Referencing the original Star Trek series, and Dr McCoy’s nickname of "Bones" (short for "Sawbones").