In this episode, Vivian (Andrea Savage) mentions soldiers in Qumar, which is a fictional country invented by Aaron Sorkin for the show The West Wing (1999). In the first episode of this season Vivian mentions soldiers in Equatorial Kundu, another fictional country from The West Wing (1999).
Liv explains that she and her other zombie boyfriends have experienced disparate brains together. However only in Season 2, Episode 13 does this contrast actually occur where she was a pathological liar and Drake was a hypochondriac. Her date with Lowell when he was gay occurred in Season 1, Episode 7 while she was experiencing intense maternal instincts and both Liv and Drake consumed nympho brains on their date in Season 2, Episode 11.
Clive's (Malcolm Goodwin) stapler that the Stunted Growth crew are seen with is a red swingline stapler, made popular in the movie Office Space (1999). It is also the one Liv stole on klepto brain in the first episode.
Robert Ri'chard (Finn Vincible) & Jason Dohring (Chase Graves) also worked together on Veronica Mars (2004)