On TV Tonight: Friday March 2, 2012

NET 8PM 8:30PM 9PM 9:30PM 10PM 10:30PM
ABC Shark Tank Primetime: What Would You Do? 20/20
CBS Undercover Boss A Gifted Man Blue Bloods
CW Nikita (R) Supernatural (R)
FOX Kitchen Nightmares
NBC Who Do You Think You Are? Grimm Dateline NBC
MISC Merlin (Syfy)
Spartacus: Vengeance (Starz)
Portlantia (IFC)

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