Dollhouse, Season 1

Y'know, everyone told me the series really picks up after episode 6, but I think the first half of the season is really necessary to explore the concept and set up the tension in the second half, and it was definitely entertaining throughout. (The early episodes, with their "monster-of-the-week" style, were on par with most episodes of Pushing Daisies in terms of wit and concept, and you can get me watching for quite some time on wit alone.) If you like Whedon in general, it's worth the time. (Also, however Season 2 turns out, Season 1 is perfectly fine as an independent arc.)

It's a really dark series, and actually kinda caught me off guard, as it's much darker than Buffy, Angel or Firefly pretty much ever was, even in the later seasons. It doesn't pull punches, but it does try to force you to think about the ramifications of the setting.

( Spoilers! For season one only, though, and please don't spoil season two in comments. )