Jump The Shark
Did a quick search, didn't find any thread on this subject.
The question is easy, when (if ever) do you think this series Jumped The Shark?
For me it was the episode when John gets sent to Vietnam. To many stupid things happend in that episode.
Even though, I would have liked a second season (or more). I think it would have gotten a second season if it was on FOX as a lead in/out for X-Files insted of NBC.