All times Eastern.

• 6PM, Science Channel - Extreme Engineering: Venice Flood Gates. Venetians attempt to keep the city from going underwater.
• 6PM, National Geographic - Tribal Secrets: The Wodaabe. Three important ceremonies of the Wodaabe tribe in Niger.
• 6PM, G4 - Ninja Warrior: Sasuke 6: Part 1
• 6PM, History Channel - Mail Call: Armored Scout Car; Water-Cooled Machine Gun; Fart Sack; Shuteye; Nazi U-Boats; Stealth Ship Armored scout cars; water-cooled machine guns; sleeping bag; sleeping on the battlefield; German U-boats; Navy ship invisible to radar.
• 6:30PM, History Channel - Our Generation: Let’s Eat. Fast food.
• 7PM, Food Network - Good Eats: The Man Food Show. Corn dogs; basket burgers.
• 7PM, National Geographic - Insect Wars: The violent existence of insect empires.
• 7PM, Discovery Channel - Survivorman: Arctic. Les endures a chilly week on the northern reaches of Baffin Island.
• 7PM, Discovery Health - Impact: Stories of Survival: The Risks of Rodeo. A cop is pinned between two cars; bull rider sustains injuries; man is thrown from a snowbike.
• 7:30PM, Sundance - In Short: The Art of Seduction. Nude Caboose; Strip Show; Not Pretty, Really; On Fire; Dirty Dog; 120 Seconds to Get Elected; SOU; Electric Chairs; My Obscure Object of Desire (M.O.O.D.).

8PM and on after the jump!

• 8PM, History Channel - Mega Movers: Moving an Airport. Denver International Airport; the former TWA terminal at JFK International Airport.
• 8PM, Discovery Channel - How to Survive: The Will to Live: Survival experts and rescue personnel demonstrate safety strategies.
• 8PM, Military Channel - Warbots: The use of robotic devices for military purposes.
• 8PM, Science Channel - Building the Ultimate: Some Assembly Required. Innovative solutions used to build the International Space Station.
• 9PM, Discovery Channel - Man vs. Wild: Mexico. Bear Grylls demonstrates how to survive in Mexico’s Copper Canyon.
• 9PM, MTV - Jackass: Boxing in a sporting goods store; body hair waxing; Johnny’s nephew passes gas during Thanksgiving.
• 9PM, Discovery Times - Proof of Innocence: Forensics testing can establish guilt and innocence.
• 9PM, Discovery HD - White Hot Winter: Calgary; Canmore. Skeleton luge at Canada’s Olympic Park; winter biking; dog sledding; exploring the backcountry in a Hummer.
• 10PM, ESPN2 - Boxing: Friday Night Fights. From New York. Emmanuel Nwodo (20-3, 16 KOs) vs. Darnell Wilson (21-5-3, 18 KOs), cruiserweights, 12 rounds.
• 10PM, G4 - G4’s Free Stuff: Free iPhones! “The Ultimate Users Guide To The iPhone”; iPhone giveaway.
• 10PM, Science Channel - Building the Future: Surviving Natural Disasters. Floating homes; green construction; earthquake-proof structures.
• 10PM, National Geographic - July 4: Exploding the Myths: Facts and fiction behind America’s birthday.
• 11PM, Discovery Times - Dangerous Missions: Space Flight: Humans struggle to break the bonds of gravity.
• 11PM, History Channel - Ice Road Truckers: Destination: Diamond Mine. Jay hauls a 17-ton water tank to the De Beers diamond mine; the rivalry heats up between Hugh and Rick as they compete for the highest load-count.
• 11PM, PBS (NY 21) - BBC World News: International issues.
• 12AM, SpikeTV - Whacked Out Sports: A humorous look at incredible sports videos from around the world.
• 12AM, G4 - Wired for Sex: Sex Machina: Sex Aids. Machines and sex.
• 12:30AM,G4 - Wired for Sex: Sex, technology and the law.
• 12:30AM, Discovery HD - White Hot Winter: B.C. Rockies. Rescue dog; member of Olympic ski team; extreme snowmobiling; cat skiing.
• 1AM, SpikeTV - Game Head: Nintendo’s Shigeru Miyamoto. Creator of Donkey Kong, Super Mario Bros,and much, much more.
• 1AM, Discovery Health - Skeleton Stories: Deadly Designs. A farmer finds a skeleton as he builds a fence; bike riders discover a human torso along a riverbank.
• 2AM, SpikeTV - : The comedian does a Bill Cosby impression and discusses life, women and sex in a stand-up show in New York. (back when he was funny!)
• 2AM, History Channel - The Universe: The Moon. How the moon came to be; NASA’s plans to build an outpost on the moon.