The episode focuses solely on Alfred Hitchcock movies in all four intertitles:
- Strangers on a Train (1951) (intertitle: Strangers on a Plane)
- Shadow of a Doubt (1943)
- The Lady Vanishes (1938)
- Psycho (1960)
The airline magazine in which Frasier sees Kelly's picture is titled "Sophisticate."
Frasier cracks a joke and Kelly says, "Why does everyone think that's funny?" In the previous episode, Laura cracks a joke and says, "I think that's funny; why doesn't anyone laugh at that?"
Fraser could have proven her existence at the restaurant by simply calling back the bus boy to confirm her appearance.