On TV Tonight, Friday 3/23/2012: Merlin, Fringe, and more March 23, 2012 On TV Tonight FRIDAY – Winter 2012 8:00 pm 8:30 pm 9:00 pm 9:30 pm 10:00 pm 10:30 pm Who Do You Think You Are? RGrimm Nikita Supernatural Shark Tank Kitchen Nightmares Fringe Spartacus: Vengeance Merlin New Episode R Repeat NEW 8 PM – 9 PM Kitchen Nightmares “Chiarella’s” – 8pm FOX Nikita “Arising” – 8pm CW Shark Tank – 8pm ABC Who Do You Think You Are? “Helen Hunt” – 8pm NBC 9 PM – 10 PM Fairly Legal “Start Me Up” – 9pm USA Fringe “A Short Story About Love” – 9pm FOX Supernatural “The Born-Again Identity” – 9pm CW 10 PM – 11 PM In Plain Sight “Four Marshals and a Baby” – 10pm USA Merlin “The Sword in the Stone” – 10pm Syfy Spartacus: Vengeance “Monsters” – 10pm Starz Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)