Since I went back through the DVDs and my old VHS copies, my memory is sufficiently jogged to remember them. Going hardcore nerd and using the production numbers and episode titles, it's changed in:
1X23- The Erlenmeyer Flask (Trust No One)
2X06- Ascension (Deny Everything)
2X25- Anasazi (Ei...
I love both the monster-of-the-weeks and the mythology episodes. I don't know that even the writers would agree with me but I consider the mythology to be the heart of The X-Files. Those episodes had the BIG set pieces that set the show apart from everything else on TV at the time. The abduction...
There's no 100% right answer but I see Twin Peaks as one of the shows that led the way for The X-Files. I consider The X-Files as the real beginning point for TV looking like a movie because it seemed like once The X-Files became a hit, all dramas had to do it.
Not that The X-Files didn't have shortcomings (my biggest gripe would be that they stacked more and more on top of the mythology as the series went on) but I would say that it deserves to be seen as one of the great shows because it was the first TV show that looked like a movie. Maybe that...
The earliest years are the best but I think S6 still had some gas in the tank, S7 and S9 are the weakest years of the series but S8 is unfairly dismissed in my mind. Yes, David Duchovny had left but that lit a fire underneath the writers' asses. Between that, the addition of Robert Patrick...
Yeah, all the DVDs of the S5 to S9 episodes have all been 16x9 but those episodes were originally aired and composed for 4x3. Although there was one of their 'special' episodes (Triangle from S6) that was intended to be seen and originally aired at 1.78.