All times Eastern.

• 6PM, Discovery Channel - Shark Roulette: Shark attacks.
• 6PM, G4 - Ninja Warrior: Sasuke 15: St. 2/3
• 6PM, History Channel - Modern Marvels: More Snackfood Tech. Coca-Cola; Cadbury Schweppes; Krispy Kreme; Oberto jerky; Rudolph Foods pork rinds.
• 6PM, Science Channel - Miracle Planet: Extinction and Rebirth. Cataclysmic events destroy most life 250 million years ago, allowing the dinosaurs to rise to supremacy.
• 6:30PM, G4 - Ninja Warrior: Sasuke 16: Part 1
• 7PM, Science Channel - Miracle Planet: Survival of the Fittest. Mammals rise to dominance 65 million years ago; primates begin to evolve 55 million years ago.
• 7PM, Discovery HD - Before We Ruled the Earth: Hunt or Be Hunted: Homo ergaster, an ancient predecessor of modern humans.
• 7PM, Discovery Health - Impact: Stories of Survival: A motorcycle jump ends badly; a car hits an athlete; a skier jumps into a tree; a catapulted ladder hits a man.
• 7PM, Travel Channel - Bizarre Foods With Andrew Zimmern: Spain. Suckling pig in Spain.
• 8PM, Discovery Channel - Great White Shark: Uncaged: An extreme team of divers swim unprotected in the world’s most shark-infested waters.
• 8PM, Food Network - Feasting on Asphalt: The South Shall Fry Again. Alton Brown heads west from South Carolina, sampling everything from chocolate malts to pickled pigs.
• 8PM, National Geographic - Most Astonishing Moments: Hunting techniques of wild animals; white sharks; a cameraman uses himself as bait to attract polar bears.
• 8PM, Science Channel - Atlantropa: A German architect devises a plan to build a dam across the Strait of Gibraltar.

9PM and on after the jump!

• 9PM, National Geographic - Science of Dwarfism: The bodies of dwarfs.
• 9PM, Discovery Channel - Deadly Stripes: Tiger Sharks: Tiger sharks mysteriously gather off the coast of South Africa.
• 9PM, History Channel - Cities of the Underworld: Rome: The Rise. The ancient neighborhoods, sewer systems, aqueducts and theaters that lie beneath the modern streets of Rome.
• 9PM, Travel Channel - Bizarre Foods With Andrew Zimmern: Taiwan. Native dishes of Taiwan including thousand year old eggs, fermented meat and rooster’s testicles.
• 9:30PM, Speed - American Muscle Car: The Last Sting Ray: Picking Up Speed. Chevrolet puts the Corvette on the map.
• 10PM, Discovery Channel - Top Five Eaten Alive: Five shark attack survivor stories.
• 10PM, National Geographic - Science of Gigantism: Biomechanisms cause some people to grow much larger than average.
• 10PM, Travel Channel - Anthony Bourdain: No Reservations: Shanghai. Anthony Bourdain travels to Shanghai, China.
• 10PM, Discovery HD - The Ice Hotel: A Swedish hotel is built from thousands of tons of snow and ice each winter.
• 10:30PM, Speed - Car Crazy: Nagoya Automobile Museum. A Japanese museum exhibits the history and the potential future of the automobile.
• 11PM, Discovery Channel - Jaws of the Pacific: Huge California great-white sharks fly like their African counterparts.
• 11PM, Comedy Central - Daily Show: Alastair Campbell, Tony Blair’s former Press Secretary and author of The Blair Years
• 11PM, History Channel - Lost Worlds: Atlantis. The legendary ancient civilization of Atlantis.
• 11:30PM, Comedy Central - Colbert Report: Evan Osnos from the Chicago Tribune