Although Mr. Grainger is said to have been an ENSA entertainer during World War II, and Arthur Brough is seen impersonating WWII figures, Brough in fact served in the Royal Navy for the entire war, taking part in the evacuation of Dunkirk and the Arctic Convoys.
Date on newspaper announcing transport strike: March 2, 1973.
Although Mr. Rumbold is said to have been in the British Army Catering Corps during WWII, actor Nicholas Smith was just eleven years old when the war ended.
Mr. Lucas has only been with Grace Brothers two months when this episode takes place.