All times eastern.

• 6PM, History Channel – Modern Marvels: Future Tech. Paper-thin television; hydrogen-fueled vehicle; brain-computer interface; robotic soldiers; commercialization of space; Mars base-station.
• 6PM, Discovery Channel – How It’s Made: Car radiators; hatchery chicks; phyllo dough.
• 6PM, Science Channel – Galapagos: Beyond Darwin: Advanced scientific equipment yields new discoveries of marine and terrestrial life on the Galapagos archipelago.
• 6PM, Discovery Health – Code Blue: Fighting the Good Fight. Many patients are victims of shootings and stabbings.
• 6:30PM, Discovery Channel – How It’s Made: Crayons; wooden kayaks; lawn mowers; gold chains.
• 7PM, Food Network – Good Eats: Q. Island shrimp and pineapple skewers with rum butter sauce; Caribbean style chicken.
• 7PM, History Channel – Modern Marvels: The M-16. The Korean War and the M-16 assault rifle.
• 7PM, Discovery Health – Impact: Stories of Survival: Tornado Survivor. A woman is nearly impaled through the neck; a vet is bitten by a rattlesnake; rehab and prosthetics help a man with severed legs.

The rest of 7PM and on after the jump!

• 7PM, Discovery Channel – Allosaurus: A Walking With Dinosaurs Special: Archaeologists excavate a complete skeleton of the fossilized reptile.
• 7PM, TLC – Overhaulin’: Juvenile Delinquent. The team steals and fixes up a 1967 Chevy Chevelle with the help of their youngest accomplice to date.
• 7PM, Discovery HD – Panda Nursery: The birth of twin pandas at the Wolong Nature Reserve offers new hope of increasing the population of this endangered species. (baby pandas, doesn’t get much cuter)
• 7PM, Speed – Chop Cut Rebuild: Parts Go In. Chevelle gets its trimmings and tackle.
• 7:30PM, Speed – Pinks: Season Premiere. 1969 Chevy Camaro vs. 1979 Chevy Malibu.
• 8PM, CBS – Pirate Master: I Want That Treasure. Sixteen modern-day pirates begin their quest for buried treasure. (this show looks so bad i couldn’t resist listing it. yes, i’ll probably watch a few episodes.)
• 8PM, ABC – 2007 Scripps National Spelling Bee: The final championship rounds of the national spelling bee.
• 8PM, History Channel – Man, Moment, Machine: Apollo 13: Triumph on the Dark Side of the Moon Cmdr. James Lovell and Apollo 13.
• 8PM, Discovery Channel – Rise of Man: The evolution of Homo sapiens.
• 8PM, G4 – X-Play: X-Play Summer Games Preview
• 9PM, SpikeTV – TNA iMPACT!: Kurt Angle, Sting, Christian Cage, AJ Styles, Abyss, Team 3D, The Latin American Xchange and other superstars battle it out for supremacy and championship gold inside the six-sided ring.
• 9PM, Food Network – Iron Chef America: Flay vs. Kelly. Bobby Flay is challenged by Peter Kelly.
• 9PM, Science Channel – Killer Whale: Killer Culture: The ocean’s top predator is gentle and playful in captivity.
• 9PM, Discovery Times – The New Detectives: Killing Time. A woman vanishes; a hotel’s night clerk is brutally murdered.
• 9:30PM, Speed – American Muscle Car: The Last Stingray: Bill Mitchell’s Baby. After hinting for years, Bill Mitchell and Chevrolet prepare to unveil a new car.
• 10PM, Discovery Channel – Pre-Human: Riddle of the Skull: The unearthing of a 7-million-year-old skull sheds new light on the origins of mankind.
• 10PM, Travel Channel – 1,000 Places to See Before You Die: Mexico. Melanie and Albin visit Mexico.
• 10PM, Science Channel – The Ultimate Guide: The Octopus. Scientists study the complex behavior of the octopus.
• 10PM, TLC – Wrecks to Riches: Plymouth Satellite Roadrunner. The teams works on a Plymouth Road Runner.
• 10PM, Fuse – Tattoo Stories: More and more people are using their bodies as a canvas for storytelling.
• 10:30PM, Speed – Car Crazy: Meguiar’s Award Thailand. The 2006 Car Hobby’s Person of the Year is presented in Bangkok.
• 11PM, History Channel – Hooked: Illegal Drugs and How They Got That Way: LSD, Ecstasy and Raves. Drugs prescribed by mental-health professionals may become illegal.
• 11PM, Speed – Unique Whips: Flash Gordon. Jeff Gordon brings in the number 24 car for a Unique overhaul fit for the street. Will takes some personal time.
• 11PM, Discovery HD – Planet Earth: Deserts. Rarely seen living things inhabit deserts.
• 11PM, Science Channel – Giant Squid: Caught on Camera: The first photographs of a giant squid.