- He bemoans the fact that Buffy the Vampire Slayer (1997) might be dead by the time he gets back to Earth.
- He refers to Moya as "the Federation Starship Buttcrack".
- He quotes lines from Apocalypse Now (1979) and Blazing Saddles (1974).
- He writes "Hi there!" on a bomb he throws, a reference to Dr. Strangelove or: How I Learned to Stop Worrying and Love the Bomb (1964). These references are named "Crichtonisms" by fans.