All times Eastern.

• 6PM, History Channel - Modern Marvels: Tunnels of Vietnam. A daring band of infantry soldiers uncovers secret enemy arms and intelligence caches.
• 6PM, National Geographic - Naked Science: Naked Science. Scientists work to understand the origins and extinction of the dinosaurs.
• 6PM, Discovery Times - Best Evidence: John Wayne’s Death. A costume actress Susan Hayward wore in the movie “The Conqueror” undergoes radioactivity testing.
• 6PM, Discovery HD - Miracle Planet: Life Indestructible. Earth provides a rich environment, and many factors continually shape the planet’s condition.
• 6:30PM, ShowtimeToo - In Pot We Trust: Four chronically ill people rely on marijuana as a painkiller.
• 7PM, Discovery Health - Impact: Stories of Survival: Bear Attack. A parachuting accident; a factory worker cracks his skull; a bear attacks a man.
• 7PM, National Geographic - America’s Deadly Dozen: Dangerous animals, including insects and arachnids, are native to the continent.
• 7PM, Military Channel - X-Planes: The Wall. An orange, bullet-shaped aircraft breaks the sound barrier in 1947.
• 7PM, Speed - Chop Cut Rebuild: Fender Bender. Ford `35 A/C and power steering; Camaro exhaust and radiator.
• 7PM, TLC - Monster Garage: NYC Hot Rod. An all-star team of builders turns a 1929 Ford Model-A into a street-rod.
• 8PM, PBS (NY 713) - Nature: Kalahari: The Flooded Desert. The Kalahari Desert’s Okavango Delta from the point of view of crocodiles and eagles.
• 8PM, Discovery HD - Africa’s Elephant Kingdom: An elephant family journey across the African plains.
• 8PM, Military Channel - Pearl Harbor: Death of the Arizona: Rare footage shows the sequence of events on December 7, 1941; a dive team explores the wreck of the USS Arizona.
• 8PM, Food Network - Good Eats: My Big Fat Greek Sandwich. Alton makes gyros.

9PM and on after the jump!

• 9PM, History Channel - Boneyard: Aircraft. The dismantling and destruction of a large aircraft.
• 9PM, Food Network - Iron Chef America: Morimoto vs. Symon. Iron Chef Morimoto is challenged by Michael Symon.
• 9PM, Sundance - John Safran vs God: John travels to England to meet with radical Muslim clerics; a Scientologist’s past lives on other planets.
• 10PM, History Channel - Ancient Discoveries: Machines III. Chinese technology such as cosmic machines, hydraulic hammers, water-controlled clocks and mass production plants powered by water.
• 10PM, Food Network - Ace of Cakes: Wedding Bells and Shotgun Shells. Duff and his staff have fun at the shooting range.
• 10PM, Sundance - Live From Abbey Road: Musical artists Amos Lee, Randy Crawford and David Gilmour.
• 10PM, Science Channel - How Do They Do It?: Rescue services slice open cars in seconds; a rotating boat lift; parachutists.
• 10:30PM, Food Network - Ace of Cakes: Dr. Duff. The Charm City staff makes a cake for a group of radiologists.
• 10:30PM, Science Channel - How Do They Do It?: Landing an F-18 fighter jet on the USS Nimitz; major league baseball bats; building the world’s fastest sports car.
• 10:30PM, Fuse - Pants Off Dance Off: Shedding their clothes down to their skivvies while dancing to popular music videos gives some the chance to win bragging rights and cash.
• 11PM, Discovery Channel - Dirty Jobs: Wine Maker. Wine making; Kansas cattle ranch.
• 11PM, Comedy Central - Daily Show: Adam Sandler, actor promoting “I Now Pronounce You Chuck and Larry”.
• 11PM, Speed - Unique Whips: Big Trouble. Customizing NBA star Al Harrington’s ESV.
• 11:30PM, Cartoon Network - Family Guy: Family Guy Viewer Mail No. 1. Brian reads viewer mail and tries to answer the questions.
• 11:30PM, Comedy Central - Colbert Report: Michael Moore, director “Sicko”; & Frank Sulloway, Author, Born To Rebel