All times Eastern.

• 6PM, Discovery Channel - How It’s Made: Included: electric guitars; individual transporters; cedar canoes.
• 6PM, History Channel - Lost Worlds: Hitler’s Supercity. Plans and the ruins of structures created by Hitler’s architect Albert Speer are used to re-create Hitler’s architectural vision for Nazi Germany. Included: the Zeppelin Tribune; a stadium intended for the Olympic games.
• 6PM, Discovery Health - Code Blue: Free and Easy. A van hits a tree at 75 mph.
• 6PM, Discovery HD - I Shouldn’t Be Alive: Into the Heart of Darkness. A young couple gets lost in the Amazonian rain forest, and suffer from thirst, starvation, heat and relentless insect bites.
• 6:30PM, Discovery Channel - How It’s Made: included: toothpicks; acrylic bathtubs; helicopters; beer.
• 6:30PM, G4 - Ninja Warrior: Human physical ability is tested in each episode, as 100 competitors push their limits through a physically demanding four-stage course.

7PM and on after the jump.

• 7PM, Food Network - Good Eats: The Icing Man Cometh. Prepared: a tiered cake with butter-cream icing.
• 7PM, Speed - Chop Cut Rebuild: Tear Down Day. Rich’s team uses torches and plasma cutters on the 1956 Chevy.
• 7PM, Discovery Channel - MegaBuilders: World’s Fastest Wheels. A car designed to be the fastest in the world is prepped for a test run.
• 7PM, National Geographic - Hunter and Hunted: Ambush. Investigating a rash of black-bear attacks on humans in Canada, through eyewitness accounts and detailed analysis of attack scenes. Also: speculation on what prompts the usually non-threatening animals to attack.
• 8PM, Science Channel - Planet Earth: Forests. Forests are examined, from California to Siberia to Madagascar. Included: different species of trees.
• 8PM, Discovery Health - Diagnosis: Unknown: Silent Poison. Two children in Idaho are diagnosed with food poisoning, the first in the country’s largest case of single-source food poisoning.
• 8PM, PBS - Nature: Life in Death Valley. Anthony LaPaglia narrates this look at life in one of the world’s most inhospitable places, Death Valley. Included: Devil’s Hole pupfish, which live in waters deep beneath the desert’s surface and whose numbers are dwindling; kangaroo rats.
• 8PM, LWOR - International Fight League’s Total Impact: Seattle Tigersharks vs. Orange County Condors. Also: a profile of choke-out submission expert Jeremy Williams, and former NCAA wrestling champ Shad Benton.
• 9PM, Food Network - Unwrapped: Hamburgers. A timeline of the hamburger’s history features fast-food chains Wendy’s, White Castle and McDonald’s. Also: the making of a Vlasic pickle.
• 9PM, Discovery Channel - Oil, Sweat and Rigs: Derrick Builders. Specialist derrick builders in the Gulf of Mexico must dismantle a rig, ship it to a new location and rebuild there, but they are down a man and the rest of the crew has issues.
• 9PM, Travel Channel - Bizarre Foods with Andrew Zimmern: Philippines. Chef and traveler Andrew Zimmern travels through the Philippines on board bicycles, explores the local food markets, and eats several different kinds of strange foods, including friend chicken embryos in Manila and a giant worm in Angono.
• 9PM, Discovery Health - Medical Incredible: Life with No Arms. Included: an armless mother with a very active life; a jockey who survived a head-on horse collision; the world’s fittest fat man; a canine care-giver for a killer disease. Also: using oxygen to cure disease.
• 9:30, Fuel - Motocross: Red Bull X-Fighters
• 10PM, Discovery Channel - Stunt Junkies: Go Big or Go Home: Semi-Truck Wall Ride. Rick Thorne attempts to jump onto the side of a moving truck while riding a bicycle and execute a “wall ride.”
• 10PM, Fuse - Pants-Off Dance-Off: Contestants shed their clothes while dancing to popular music videos for the chance to win money in this game show.
• 10PM, Travel Channel - Anthony Bourdain’s No Reservations: Japan
• 10PM, Military Channel - Weaponology: Body Armor. Examining the history of armored body protection from medieval knights to the latest technology.
• 10PM, FX - The Riches: Virgin Territory. Stunned by the news of Earl’s death, a grieving Dahlia and her family head back to camp, where Dale looks to settle old scores with Wayne, while Ginny schemes to tie the knot between Di Di and Ken.
• 11PM, Comedy Central - Daily Show: Journalist Matt Cooper.
• 11:30PM, Comedy Central - Colbert Report: Russell Simmons.