Friends lasted for ten years. And while many wonderful things happened in later years, such as the Holiday Armadillo, and Spudnik, you have to admit that, at the end, the men were fat, the women were gaunt, and Chandler was no longer funny.
After Niles got together with Daphne, there was no longer a point to Frasier. Frustrated David Hyde Pierce is hilarious. Satisfied David Hyde Pierce is somehow wrong. It's certainly not good television.
The Office is already going downhill. Michael is unrecognizable from the first or even from the second season. The constant manufacture of stupid friction to keep Pam and Jim apart is extremely wearing. And I just don't care that much about Dwight and Angela, sorry. They've just added a brand new character, I suppose to keep us interested. So far I am skeptical.
I stopped paying attention to Grey's Anatomy some time in season three, because it was completely unwatchable. Even the supposedly compelling McDreamy storyline was merely nauseating.
I didn't really watch House this past season, but I hear I didn't miss much. We had gotten in a rut, and apparently the correct reaction is to put new faces on the same rut. It's just window-dressing, people.
Now, the BBC Coupling, in its fourth season, experienced an appalling drop-off in quality (chiefly because a cast member left). It was still funny, but not even close to as funny as it had been. So it ended. Which was the right choice.
The BBC Office lasted for twelve episodes and a Christmas special. There was not a single wasted second or wasted joke. The culmination of everyone's hopes was the end of the series. In America, we get the moment of PAM AND JIM! and then we are subjected to at least two seasons of anticlimax. Unacceptable.
In the United States, Two and a Half Men is still on. I guess I could have started with that and saved myself the trouble of producing any other evidence.