One of Travelocity's rescue team can be heard saying "Bye! Have a beautiful time" in a nod to Security Officer Peña's sign-offs at the end of each episode
Tetradual is the company Roger ran that polluted the environment.
When the orientation video begins "Tetradual" and the "subsidiary of Fung-Wah Holdings International" are both callbacks to earlier episodes.
Roger's persona is based on Phil Spector, legendary record producer and creator of the "Wall of Sound", which is spoofed in Roger's first completed composition for Gene and Sue. Songs he produced have featured on the soundtracks of movies like Mean Streets (1973), Top Gun (1986) and Dirty Dancing (1987).