Fall 2009's least-watched shows: Zap2it's Year in Review
(The CW)
5 of 21
'90210' (The CW)
Viewers: 2.4 million
Fall 2009 ranking: 98th
Fun fact: This time last season the show was averaging 2.83 million viewers a week, so it's fallen off by about 15 percent this fall.
