Wednesday, June 28
7 p.m. “Shark Mind”
Fabien Cousteau, grandson of Jacque, shows off a submersible designed to look and behave like a great white shark. He’s working on an even scarier contraption that looks and behaves like Karl Rove. CBS
7 p.m. “Mythbusters”
In an outtakes show, we see what they did with the bodies in the Pop Rocks/7-Up episode. Discovery Channel.
7:30 p.m. “Hollywood Secrets Revealed
Tonight we see “Screw ups” that made it to the screen including continuity errors, microphones intruding into the shot, visible monster suit zippers and “Star Wars, Episode I.” VH1.
7 p.m. America’s Got Talent
Stay tuned for the spinoff: “America’s Got Too Much Free Time.” NBC.
7 p.m. “Small Town Secrets”
Visits to quirky people in small towns who collect thousands of hubcaps, build Stonehenge replicas out of toothpicks, train monkeys to ride horses and stockpile weapons for the unsettled post-rapture “Left Behind” years. Country Music Television.
8 p.m. “True Hollywood Story
The story of rocker Rod Stewart and his daughter Kimberly and what it’s like having to fight your dad for the blow dryer. E! Entertainment.
9 p.m. “Modern Marvels”
A look at barbecue technology through the ages and how many brave test subjects were horribly burned during the development of tongs. History Channel.