

I dont see them as endless reboots i see them as repeated assaination attempts.
This is a good analysis of the shows life cycle where its pretty clear the show was fucked over repeatedly by the networks hosting it and its just refused to die. A case of when fans love something by execs dont.
Seinfield
Futurama
Southpark (earlier seasons were more rewatchable)
The office
How i met your mother
Black books
Scrubs