https://www.ndr.de/kultur/dinner_for_one/Dinner-for-One-Hein...
What to keep in mind: It is one of the few pieces of German television tradition that are shown entirely in English - without subtitles. The English is intentionally made so simple that many people without good language skills can understand it. In 1963, however, when the sketch was recorded, a great many Germans knew only a few scraps of English. The explanation is mainly meant to make sure that the following sketch is understood anyway.
This year I learned: there are dialect versions. Seen one in Hessian today.
I must admit that I was way to long already at adult age before I got the final joke.
That said, I like North German humour and Flachwitze.
German comedy seems to play the role of a court jester speaking uncomfortable truths through humor. American comedy to me is much more surface level by comparison — there are a few comedians like Carlin who seem to have embodied the German satirical spirit.
I think another aspect of German comedy that is very hard to translate is the linguistic structure of it, where the structure of the language often plays a key role in the funniness of the joke.
But popular television type comedians here are really bad and cringeworthy. Much worse than in Britain or the US. Kind of like music in that way. Popular music in Germany is bad compared to across the pond and most of the good stuff is more niche.
;)