American Gothic, starring a very creepy Gary Cole. Man that show was going somewhere, then OFF WITH ITS HEAD!
Dracula: Already mentioned elsewhere, but I thought it deserved a second season.
Mob City: One of the most graphically violent gangster shows I ever saw
was the most visceral thing I've seen in ages) and was looking forward to season two. No chance.
Jericho: Another stellar SF series gone before its time. Oh, and add
Earth 2, too. (See what I did there? Ah, **** ya!)