When Captain Peacock and Mr Spooner cut themselves free, it is 10pm, according to the clock chiming outside. But when they call Mr Rumbold a few minutes later, he says it's after midnight.
Before entering the manager's office, Mrs. Slocombe had green hair, after entering the office, her hair was white.
The premise of this episode is that the staff is locked in the store with the burglars and cannot escape. However, there must be fire exits, otherwise the store could not legally operate.
Michael Attwell (Burglar) fails to control his laughter several times when Mr. Humphries is talking to him.
Mr. Harmon states that the only outside telephone line is in Mr. Rumbold's office. The staff has been seen making and taking outside telephone calls from the department floor in many previous episodes.