- Actor Allusion:Stephen: Woah, what was that?
Sue: Sounded like some metal object falling.
Sid: Oh, that was me.
Stephen: You don't go "clunk".
Sid: It was me, in the dining room, with the candlestick.
- Throw It In!: Some of the strips involve the writers' real life cat Ray as an "actor," which sometimes involves Ray doing something random which turns out to be very funny and makes it into the strip. This is a good example of the cat interrupting the camera work with something that turned out to be even better than what they had in mind.
- Word of God: The authors' notes at the end. Theorem 52's notes draw attention to this, constructing an elaborate ladder of canonicity.
Trivia / Terror Island