Turk's ring tone is "Guy Love" from the episode "My Musical."
Running gag: people doing the fist pump that results in truckers honking their horns.
During the road trip all interior shots of the RV show the slide out (the extra space which contains the sofa and dinette) is extended. Although this provides space for the group to walk about and looks good on film, it is impossible as the RV cannot travel while the slide out is extended.
It is revealed that Keith has a grandmother who is 96 years old.