On TV Tonight: Friday April 19, 2013

NET 8PM 8:30PM 9PM 9:30PM 10PM 10:30PM
ABC Happy Endings Happy Endings Shark Tank 20/20
CBS Undercover Boss (R) Vegas Hawaii Five-0 (R)
CW Nikita Oh Sit! (R)
FOX Kitchen Nightmares (R)
NBC Fashion Star Grimm Rock Center with Brian Williams
MISC Hemlock Grove (Netflix Streaming) XIII: The Series (Reelz)
Live From Lincoln Center (PBS)
Da Vinci’s Demons (Starz)
Real Time with Bill Maher (HBO)

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