Booth made a pancake for Christine in the beginning of this episode. The pancake continually changes form throughout the scene.
Angela looks up the Staff and Crew List from "Getting Spicey With Chilli Ruben", listing Mr. Ruben's first name with two "L's". Later, Aubrey and Hodgins find the "Spicemobile" belonging to Chili Ruben. The spare tire cover on the front of the vehicle and the painted-on design on the side uses only one "L" in Chili.