Hmmm... lots of mentions for USA network shows
* Burn Notice
* Chuck
* Psych
* Warehouse 13 (though this one is iffy, there was lots of hit or miss episodes season 1 for me, so waiting to see if season 2 goes up or down in terms of what i like)
Other shows that probably don't count as "underrated" but still mentioning ...
* Glee (campy but still silly fun - not so much for gamer style appeal but rather the underdog of high school type appeal)
* Fringe (ratings wise, i know this is low, hence, underrated, though I'm guessing most folks on these boards that watch tv are aware of this show)
* Legend of the Seeker (I like that it is a more serious flavor of Hercules/Xena, but I am noticing some episodes are getting more and more on the silly-end where Herc/Xena were, but I hope that trend doesn't continue)
* Merlin (only saw season 1 on hulu and enjoyed it, have yet to see how season 2 turned out)
* Stargate Universe (not sure if I like this one or not, yet, but waiting until the end of the season to decide)
* Medium (somewhat formulaic and predictable but i'm still overall enjoying it)
* Sanctuary (cheesy scifi, but usually somewhat enjoyable stories)
* Community (Abed makes the show for me more than anything else)
* 24
* Cougar Town (okay, again, not an actual "good" show but somehow it manages to still get laughs out of me - so i don't go out of my way to watch it, but if it's on i'll watch it type thing)
* Flashforward (okay, so the show isn't actually that good (to me), but I like the general premise and just want to see how it turns out, at least this season)