On TV Tonight, Friday 5/20/2011: SUPERNATURAL, CAMELOT, and more May 20, 2011 On TV Tonight NEW 8 PM – 9 PM FLASHPOINT “No Promises” – 8pm CBS FRIDAY NIGHT LIGHTS “Swerve” – 8pm NBC KITCHEN NIGHTMARES – 8pm FOX SHARK TANK – 8pm ABC SUPERNATURAL “Let It Bleed” – 8pm CW 9 PM – 10 PM SUPERNATURAL “The Man Who Knew Too Much” – 9pm CW 10 PM – 11 PM CAMELOT “Igraine” – 10pm Starz REPEATS 9 PM – 10 PM CSI: NY “Hide Sight” – 9pm CBS KITCHEN NIGHTMARES “Grasshopper Also” – 9pm FOX 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)