Offense:
B5: I never could get into Babylon 5. I tried with Season one, and with a mini-series compendium (details foggy... I know Boxleitner was in it, though). I just couldn't get past the horrible effects in combination with the cheesy dialogue, hokey characterizations, and the inscrutable political motivations. It seemed to take all the things I liked about the Star Trek universe, and re-make them badly, instead of the other way 'round.
Defense:
DS9: We initially gave it a pass when it was in its first season; then went back and started with Season Three, because we'd heard Worf came aboard. By the time he did, we were hooked. And it DID get much better; the
Baseball episode and the story lines in which Sisko experiences life as a 1950s sci-fi writer (
Far Beyond the Stars and
Shadows and Symbols)
writing the history of "Deep Space Nine" were very funny and powerful, respectively.
Middle of the Road Waffling:
Smallville: I had hope - and more than a little respect for Gough & Miller - after the second season. The first season was a fun (for me) cross between X-Files and 90210 (two shows that I never really got into). The second seemed to really pick up some interesting mythology, and the writing was much more interesting than the banal set pieces we are treated to in more recent years. The third teased me by building on themes of friendship, loyalty, and parallels between fathers... and then it descended into melodrama and angsty poseury. Now it's just something I watch because I got my wife hooked, and it's still fun to do the MST3K thing on it while hunting for bits of DC lore to pop up.
(Part of my misguided hope: I thought Spiderman 2 was written by G&M; apparently, they were working on it intially, but the script that went to production was by Michael Chabon.
citation)