All times Eastern.

• 6PM, G4 - Ninja Warrior: Sasuke 12: Part 3 (30 min)
• 6PM, Military Channel - Raising the Kursk: In 2000, two mysterious explosions rip through the Kursk, sinking the Russian nuclear submarine and claiming the lives of 118 crew members. (60 min)
• 6PM, Discovery Times - The FBI Files: Held Hostage. A bank robber escapes from jail twice. (60 min)
• 6:30PM, G4 - Ninja Warrior: Sasuke 13: Part 1 (30 min)
• 7PM, Discovery Channel - Mega Builders: Fantasy Islands. Challenges face the builders of the world’s largest artificial islands, in the Persian Gulf. (60 min)
• 7PM, Science Channel - Comet Collision!: NASA launches a spacecraft designed to fly directly into a comet. (60 min)
• 7PM, Speed - Chop Cut Rebuild: Metal Mania vs. Sand Blast Power. Metal work in the Impala; sand blasting the Bricklin. (30 min)
• 7:30PM, PBS (NY 21) - Wild Chronicles: A newly discovered species of lemur in Madagascar; whale sharks; a 100-mile, 24-hour endurance horse-race; bats. (30 min)
• 8PM, Food Network - Good Eats: Tender Is the Loin 2. Tenderloin. (30 min)
• 8PM, Military Channel - Sniper School: Top soldiers learn marksmanship, intelligence gathering, camouflage and survival. (60 min)
• 8PM, Versus - Legends of the Ring (sports): Ali vs. Norton - 03/31/73 (60 min)
• 8PM, Discovery Channel - Dirty Jobs: Snake Researcher. Water snakes; bait and lobster fishermen in Maine; seaweed trimming. (60 min)

9PM and on after the jump!

• 9PM, PBS (NY 13) - Wide Angle: A Woman Among Warlords. Malalai Joya campaigns for Afghanistan’s parliament, meeting with clan leaders, opium kings and girls pressured to marry old men. (60 min)
• 9PM, National Geographic - Dangerous Encounters: Monster Crocs: Brady Barr uses laser technology to measure animals from a distance, then measures a large crocodile the old-fashioned way. (60 min)
• 9PM, Military Channel - Futureweapons: Close Quarter Combat. Heckler & Koch MP7A1 assault rifle; AS90 self-propelled howitzer; Swedish AMOS mortar turret; Gyurza gun. (60 min)
• 9PM, Discovery HD - Rides: The Moal. The Moals are working to build an all-aluminum Boatell with a GT 40 Cobra power plant in time for the L.A. Auto Show. (60 min)
• 10PM, History Channel - Mega Disasters: Krakatoa’s Revenge. The eruption of Krakatoa in 1883. (60 min)
• 10PM, Discovery Channel - How It’s Made: Motorcycles; clay pipes; drumsticks; whistles. (30 min)
• 10PM, Fuse - Pants Off Dance Off: Five pancers compete against one another to become the episode champion. Willa Ford hosts as real dancers drop in for a little advice. (30 min)
• 11PM, Cartoon Network - Futurama: Insane in the Mainframe. Fry and Bender are sent to an asylum for robots after they are mistaken for bank robbers. (30 min)
• 11PM, Discovery Channel - Dirty Jobs: Skull Cleaner. Keeping trains on track; making boudin sausages; cleaning animal skulls and bones for display. (60 min)
• 11PM, Comedy Central - Daily Show: Jodie Foster, actor promoting movie “The Brave One.”
• 11:30PM, Comedy Central - Colbert Report: Garrison Keillor - author, Pontoon: A Novel Of Lake Wobegon