Discovery Channel HD

Are weather control fears fact, or just modern fiction? Andrew tests theories about chemtrails, cloud seeding, space lasers, and government weather weapons; through demonstrations and expert interviews, he untangles these conspiracies to find the truth.

Parker unleashes chaos as the team tries to get four wash plants running. Tony splurges on a new wash plant to get more gold. Kevin tries to broker a deal with his dad. Rick fires up at Vegas Valley.

Look back at the Tenerife, Kegworth, and Paris Concorde air disasters; investigate the design defects that made these aircraft vulnerable; look at the role air traffic miscommunications played; relive the terrible moments before disaster struck.

Bridge collapses have etched hard lessons into the history of engineering; Tacoma, Minneapolis, Genoa, symbols of innovation that have become stark reminders of what happens when flaws go unchecked.

When dams break, devastation follows; Derna, Malpasset, Brumadinho, three disasters that turned engineering failures into mass tragedies.

Drill down on maintenance and safety lapses that derailed amusement park rides.

Ballistic backyard bedlam; glass guillotine; accidental ammunition.

Adam and Jamie investigate the ability of hit men to take down a target.

Testing if one can survive a car crash while sitting between two big guys; three hypermilling myths; techniques that may double a car's fuel efficiency.

After more than 10 years of testing myths that people should not try at home, the "MythBusters" investigate myths that people can try.

Testing household myths; exploding a vacuum cleaner with black powder; sunscreen scorching skin; piano through a roof; exploding water heater extinguishing fire.

Adam and Jamie examine "The A-Team"; they find out whether it's possible to build a working cannon using materials abandoned in a barn.

A massive seven-acre, snow-covered hoard pushes Matt to the brink; when it takes the team a full day just to unclog the driveway, Matt's deep in the red; to clear the stairs, they toss 500 pounds of trash and hunt for a lost gold nugget on the top floor.

In the largest hoard he's ever tackled, Matt must find rare military plane parts, vintage records and a hidden jewelry cache to have a shot at making a profit; he brings in heavy equipment to clear the property and dig for big-ticket items.

Matt hunts for rare liquor, hand-rolled cigars and vintage drums in two California hoards; when the owners refuse to part with key items, Matt's bottom line is threatened.

At a hoard Matt's been circling for years, a genius inventor's pinball and jukebox collection could bring big sales -- but only if it's intact. Removing a 1980s waterbed costs time and money. Matt needs a hazmat suit to search a fridge marked as toxic.

Matt scrambles to clear a bat-infested barn and turn a sea of Santa Clauses into big money; while tackling jobs in Michigan and Massachusetts, Matt finds a lost cache of rare coins; a '64 Plymouth Fury could be a big score if the owner decides to sell.

Matt is shocked when clients reveal a Pioneer Village that's become a ghost town after three decades of abandonment; Matt hunts for a rare Colt prototype and a Babe Ruth autograph rumored to be on a hot dog wrapper; a vintage Levi's find draws big money.

Matt's team goes full hazmat suit to tackle a rat-infested hoard that is rumored to have cash hidden in every room, if the rats haven't eaten it already; the team also hunts for vintage Playboys, a rare samurai sword and original G.I. Joe toys.

Matt and his troops head to the Pacific Northwest to search a three-barn hoard loaded with U.S. military treasures, including Willy's Jeeps and uniforms; a biohazard mess hides first-generation computers and video equipment at a second location.

Matt scrambles to clear a bat-infested barn and turn a sea of Santa Clauses into big money; while tackling jobs in Michigan and Massachusetts, Matt finds a lost cache of rare coins; a '64 Plymouth Fury could be a big score if the owner decides to sell.