Bars from the Policeman theme in the comic opera "The Pirates of Penzance" are heard in each scene showing the police searching the school. In addition, the police constables mimic the exaggerated tip-toe steps and single-file movements as commonly seen in the choreograph of the "The Pirates of Penzance" productions. Finally, the police sergeant (played by Bill Shine) leading the search wears a handlebar moustache which is also commonly seen in classic productions of the opera.
Sergeant Ruby Gates:
The French are so romantic!
Captain Romney Carlton-Ricketts: Yes, but are they sincere?
Interior shots show that both of the two coaches are packed full of girls, yet after the trailing coach breaks down, everyone fits into the first vehicle.