David Jason never regarded the series as a sitcom. Instead he considered it to be more of a comedy-drama.
Eat your breakfast, Del.
Del Boy: I thought the doctor said all this fried stuff was bad for my veins?
Raquel Turner: Eat your breakfast, Del!
Uncle Albert keeps talking about his experiences during World War II, yet the Trotters know from the revelations at his trial that he was never stationed outside the UK.
When originally shown in the UK. The whole of the first series had the saxophone theme music. Not just the first episode as shown above.