Corrected entry: In the sketch where Eric Idle plays a milkman/psychiatrist, he visits a woman [Graham Chapman] named Mrs. Ratbag. He takes her to the dairy to have a psychiatric examination, and when they get there, her name is now Mrs. Pim.
What the Hex is Going On? - S1-E6
Corrected entry: How did the make-up hide the bad guy's glasses?
Corrected entry: When Greg calls Jennifer, he only dials 4 digits. (00:22:50)
Correction: This isn't really a mistake. When I was growing up in the 70's, if you called someone who had the same prefix as you (prefix meaning the first three numbers of a 7-digit phone number), you only had to dial the last four numbers of their phone number.
Corrected entry: Arthur's motorbike is a BSA registration number JVB54 which also appears in "Dad's Army" as air raid warden Hodges' motorbike even though it is a 1950's model.
Correction: Whilst the bike was first registered in 1951, it is a 1945 BSA M21. These bikes started life in 1939 and were used by the army in great numbers (126,000). After the war the WD versions were sold off and repainted in civvy colours. The fact that it has no rear suspension and girder front forks are the clues.
Correction: Her name really is Mrs. Pim. He calls her Mrs. Ratbag as an insult, not because it's her real name.