Other mistake: When Tuppy goes to turn off the burglar alarm for Wooster, it's behind a hidden panel with a sign saying "Alarm Switch" above the panel. Why bother putting the switch behind a concealed panel if you're then going to label it? (Unless you're doing it for a viewing audience). (00:35:00)
Bertie: He wants to marry Myrtle Snap?
Jeeves: Precisely so, Sir, but Mrs. Snap refuses to consider such a venture while Sir Roderick's daughter remains unmarried. In a colourful turn of phrase she stated that specific and scarcely to be anticipated meteorological conditions would have to take place in the infernal region before she would share a home with Miss Honoria.