Fall 2012's least-watched shows by network: Zap2it's Year in Review

(CBS)
22 of 26

'48 Hours' (CBS)

Viewers: 5.49 million
Rank: 66th in viewers, t-90th in 18-49 (1.1)
Fun fact: The Saturday-night staple is also a regular on this list. It's been on every least-watched list since we started them in 2007.