All times Eastern.

• 6PM, Discovery Channel – How It’s Made: Putty knives; garage doors; electric motors; wool.
• 6PM, Fuse – The Sauce: A magazine program that features music news, lifestyle information and celebrity guests.
• 6PM, Science Channel – Mars Underground: Aerospace visionary Robert Zubrin is profiled, and his theory of the establishment of permanent human settlements on Mars is examined.
• 6PM, Discovery Health – Code Blue: If Everyone Could See What We See. Medical-trauma cases include a motorbike-accident victim; an auto-accident victim; an infant who suffered severe injuries after being dragged by a car; a man in cardiac arrest; and a woman who goes into labor in the hospital parking lot.
• 6:30PM, Discovery Channel – How It’s Made: Featured: lighters; fossils; hockey pucks; high-pressure cylinders.
• 6:30PM, G4 – Ninja Warrior: Human physical ability is tested in each episode, as 100 competitors push their limits through a physically demanding four-stage course.

7PM and on after the jump!

• 7PM, Food Network – Good Eats: Olive Me. The olive is the subject.
• 7PM, National Geographic – Explorer: Hogzilla. Story of a legendary hog, which reputedly grew to 11 feet long and weighed 1000 pounds, in southern Georgia. Yep.
• 7PM, History Channel – Modern Marvels: Mountain Roads. Mountain roads are the subject. Included: the Donner Pass in the Sierra Nevada mountain range; Pikes Peak in Colorado; The Going-to-the-Sun Road in Montana’s Glacier National Park; the Eisenhower Memorial Tunnel in Colorado.
• 7PM, Weather Channel – Storm Stories: Fortress Mountain Rescue. A hiker is trapped on a mountain during a blizzard and a rescue is mounted.
• 8PM, PBS (NY 13) – Nova: Hitler’s Sunken Secret. “Hitler’s Sunken Secret” explores the Nazi quest for atomic weapons as it follows a mission to recover barrels of heavy water bound for Berlin from a Norwegian hydroelectric plant.
• 8PM, TLC – Rides: Time Capsule. Jay Leno and a team of professionals restore a Dusenberg.
• 8PM, Discovery HD – Tank Overhaul: The Sherman. An M4 Sherman is restored from the parts of two wrecked Shermans at the Isle of Wight Military History Museum.
• 8PM, Military Channel – Top Ten: Top Ten Submarines. Experts determine the Top 10 submarine designs. Included: small and large models, innovative and ambitious weapon systems.
• 8:30PM, Fuel – Weekly Update: A look at the world of action sports, including news, highlights and interviews with athletes.
• 9PM, Food Network – Throwdown with Bobby Flay: Chili. A chili challenge with Cindy Reed Wilkins, two-time winner of the Terlingua International Chili Championship and self-proclaimed “chili queen.”
• 9PM, Sundance – Big Ideas for a Small Planet: Eat. A chef shows off his new green restaurant; a burger restaurant uses sustainable meat and produce from farms within 100 miles; a young entrepreneur finds treasure in another man’s trash.
• 9PM, Discovery Channel – Deadliest Catch: New Beginnings. Opilio crab season opens, and first-time crewmen experience the brutal Bering Sea and bone-chilling weather.
• 9PM, Military Channel – Futureweapons: The Power of Fear. Examining psychological warfare and the use of fear to gain an advantage over the enemy. Included: components of psychological warfare.
• 10PM, Spike – Bullrun: Run for the Border. In the first-season finale, the three remaining teams battle for the $200,000 grand prize.
• 10PM, TLC – Miami Ink: Nobody Likes a Quitter. Nunez assists a woman in redesigning her tribute to her late husband; Ami freehands a dragon for a man and is shocked to hear the addiction he’s overcome; Kat creates a living portrait of James’ mother.
• 10PM, Military Channel – Firepower: Air Defense. Air defense is examined. Included: the Patriot air-defense missile system.
• 10PM, National Geographic – Vegas Mafia: Anthony Lapaglia examines how for decades this extraordinary gambling Mecca became a glittering cash cow for the Mafia and chronicles the surveillance war between the Mafia and the FBI. Witness how the FBI busted a multi-million dollar skimming operation at the Stardust Casino and see why Mobs grip on the city was loosened by arrival of the richest man in the world, Howard Hughes.
• 11PM, Comedy Central – Daily Show: Tim Russert.
• 11PM, Discovery Channel – MythBusters: Air Cylinder Rocket. Adam and Jamie investigate whether a cracked valve on a compressed-air cylinder can create enough force to send the tank through a cinder-block wall.
• 11:30PM, Comedy Central – Colbert Report: Author Walter Isaacson.