Moss's cool "I came here to drink milk and kick ass. And I've just finished my milk" is a nod to John Carpenter's They Live (1988) where Nada, the protagonist says "I have come here to chew bubblegum and kick ass... and I'm all out of bubblegum" upon entering a bank to shoot aliens.
Visible on the wall of the IT department is the map from xkcd comic 256: 'Online Communities'.
Roy's t-shirt in this episode is blue with a picture of a vintage orange tv set.