On TV Tonight: Friday February 17, 2012

NET 8PM 8:30PM 9PM 9:30PM 10PM 10:30PM
ABC Shark Tank A Special Edition of 20/20:
The Life of Whitney Houston
CBS Undercover Boss A Gifted Man Blue Bloods
CW Nikita Supernatural
FOX Kitchen Nightmares Fringe
HBO The Life and Times of Tim On Freddie Roach Real Time
with Bill Maher
NBC NAACP Image Awards Dateline NBC
MISC Radio Rebel (Disney) Merlin (Syfy)
Spartacus: Vengeance (Starz)
Portlantia (IFC)

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