All times eastern.

• 6PM, History Channel - Seconds From Disaster: When the Volcano Blew. In 1995, the Soufriere Hills volcano in Montserrat erupted for the first time in recorded history leaving many villages burned and 19 people dead.
• 6PM, Science Channel - Venus Unveiled: The European Space Agency’s Venus Express spacecraft helps scientists unravel the mysteries of the violent planet.
• 6PM, G4 - Ninja Warrior: Sasuke 16: St. 3
• 6PM, Discovery Times - Stalin: Marked for Murder: Facts surrounding the death of Joseph Stalin.
• 6:30PM, G4 - Ninja Warrior: Sasuke 17: Part 1
• 7PM, Discovery HD - Urban Wild: New York. Animal life in the Big Apple.
• 7PM, Science Channel - Revealing Mars: NASA’s Mars Reconnaissance Orbiter seeks the truth about the history of water on the red planet.
• 7PM, National Geographic - Naked Science: Moon Mysteries. The moon’s gravitational pull affects Earth.
• 7PM, Discovery Channel - Impact: Stories of Survival: Stock Car Smash. Speedboat crash victims; Olympic luge accident; water-scalding injury; stock car wreck.

8PM and on after the jump

• 8PM, PBS (NY 13) - Nova: NOVA scienceNOW. Evidence suggests that sleep plays a crucial role in strengthening memories and facilitating learning in humans and animals; the Large Hadron Collider.
• 8PM, History Channel - Rogue Waves: Astonishing scientific discoveries surrounding this deadly phenomenon.
• 8PM, Discovery HD - Roush Racing: Driver X: Media Day. The drivers face a gauntlet of cameras, sponsors and fans.
• 8PM, ESPN Classic - Boxing: 2007: Evander Holyfield vs. Lou Savarese. From June 30, 2007 in El Paso, Texas.
• 9PM, History Channel - The Universe: Spaceship Earth. The formation of Earth.
• 9PM, Discovery Channel - Dirty Jobs: Snake Wrangler. Mike visits a Texas snake farm.
• 9PM, Sundance - Big Ideas for a Small Planet: Pray. Greening places of worship; communities unite against mining companies.
• 9PM, G4 - E3 ‘07 Live: Preview Show. A special preview of E3 2007, from the floor, before the doors open for this years exclusive event.
• 9PM, Discovery HD - Rides: Summer School. Students restore a 1970 Chevelle SS.
• 10PM, Discovery Channel - Build It Bigger: Coaster. Danny Forster designs, builds and rides some of the world’s greatest roller-coasters.
• 10PM, 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.
• 10PM, Military Channel - Weaponology: Sniper Rifles. Technological innovation has resulted in the production of rifles that can kill from a distance of 2,000 yards.
• 10PM, Discovery Times - Sago Mine Disaster: On the Other Side: The story behind the West Virginia mine explosion.
• 11PM, History Channel - Deep Sea Detectives: Train Wreck in Lake Michigan. Divers John Chatterton and Richie Kohler investigate the 1929 disappearance of the SS Milwaukee.
• 11PM, Food network - Good Eats: Crust Never Sleeps. Alton uses science to make the pie crust of his dreams.