Belphegor

I see what you mean. I don't know if this is the show you mentioned, but there's a British show called The Persuaders that became very well known here with the name Amicalement Vôtre ("friendly/cordially yours", like at the end of a letter, but a bit formal), with Tony Curtis and Roger Moore. Basically, a retired judge gets two playboys (an English lord and an American self-made man, rags-to-riches style) to fight crime. It's corny sometimes, and silly, but funny as hell and has aged rather well. Thing is, the success of the show in France owes a lot to its creative (in a good way) dubbing - the actor playing Moore did an excellent job at suggesting a posh English accent without the slightest trace of an actual (fake) accent :o) It didn't do so well in the US, and a few Brits do remember it, but it occasionally gets reruns here :o]