Season 1 (1994)
7.60 avg 6 episodes 8.1 → 7.1 46 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Transcontinental Railroad | 8.1 | 24 |
| 2 | The Empire State Building | 7.9 | 44 |
| 3 | Silver Mines | 7.8 | 21 |
| 5 | Paving America | 7.5 | 31 |
| 6 | Oil | 7.2 | 28 |
| 47 | Star City | 7.1 | 12 |
7.60 avg 6 episodes 8.1 → 7.1 46 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Transcontinental Railroad | 8.1 | 24 |
| 2 | The Empire State Building | 7.9 | 44 |
| 3 | Silver Mines | 7.8 | 21 |
| 5 | Paving America | 7.5 | 31 |
| 6 | Oil | 7.2 | 28 |
| 47 | Star City | 7.1 | 12 |
7.53 avg 7 episodes 7.8 → 8.0 46 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Railroads That Tamed the West | 7.8 | 33 |
| 2 | Mount Rushmore | 7.4 | 60 |
| 4 | The Telephone | 7.9 | 38 |
| 5 | Domed Stadiums | 7.6 | 17 |
| 6 | Gothic Cathedrals | 6.6 | 22 |
| 7 | Golden Gate Bridge | 7.4 | 52 |
| 21 | The Phonograph | 8.0 | 10 |
7.42 avg 10 episodes 6.8 → 7.9 47 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Air Force One: A History | 6.8 | 16 |
| 2 | Brooklyn Bridge | 7.3 | 38 |
| 3 | Tunnels | 6.9 | 14 |
| 4 | The Tennessee Valley Authority | 8.0 | 17 |
| 5 | Satellites | 7.4 | 22 |
| 6 | Radio: Out of Thin Air | 8.5 | 17 |
| 7 | The Search for the Polio Vaccine | 6.8 | 22 |
| 8 | The Stock Exchange | 6.2 | 11 |
| 10 | Earthmovers: The Power to Move Mountains | 8.4 | 17 |
| 12 | The Alaskan Oil Pipeline | 7.9 | 21 |
7.73 avg 10 episodes 8.3 → 6.8 48 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | American Steel: Built to Last | 8.3 | 25 |
| 2 | Las Vegas Hotels | 7.7 | 23 |
| 4 | Prosthetics | 7.7 | 14 |
| 5 | Weather Predictions | 7.6 | 19 |
| 6 | Captured Light | 7.5 | 17 |
| 7 | Stealth Technology | 7.0 | 20 |
| 8 | Pyramids: Majesty and Mystery | 8.0 | 16 |
| 9 | Roller Coasters | 8.3 | 18 |
| 10 | Observatories: Stonehenge to Space Telescopes | 8.4 | 15 |
| 11 | The Great Wall of China | 6.8 | 42 |
8.06 avg 25 episodes 7.6 → 8.4 44 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 2 | Airships | 7.6 | 24 |
| 3 | The NYC Subway | 8.2 | 18 |
| 4 | Engineering Disasters | 7.7 | 38 |
| 5 | Spy Technology | 8.0 | 17 |
| 6 | Battlefield Medicine | 7.8 | 12 |
| 7 | The Motion Picture | 7.8 | 18 |
| 8 | U.S. Mints: Money Machines | 8.1 | 15 |
| 9 | Rescue Technology | 8.4 | 11 |
| 10 | Bombs! | 7.9 | 18 |
| 11 | Scuba Diving & Underwater Breathing | 8.4 | 13 |
| 12 | Dynamite | 8.0 | 20 |
| 13 | Offshore Oil Drilling | 7.8 | 17 |
| 14 | Hoover Dam | 8.1 | 26 |
| 15 | Baseball Parks | 7.7 | 22 |
| 16 | New York Bridges | 7.5 | 20 |
| 17 | Parachutes | 8.1 | 13 |
| 19 | Fireworks | 8.1 | 14 |
| 20 | The Atlantic Wall | 7.6 | 27 |
| 22 | The Tool Bench: Power Tools | 8.3 | 16 |
| 23 | The Tool Bench: Hand Tools | 8.1 | 16 |
| 25 | Forts | 8.5 | 12 |
| 26 | Emergency Room | 7.9 | 13 |
| 27 | Demolition | 8.5 | 13 |
| 30 | Engineering Disasters 2 | 9.0 | 19 |
| 34 | Balloons | 8.4 | 11 |
7.88 avg 35 episodes 8.4 → 4.5 46 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 3 | The Chunnel | 8.4 | 17 |
| 4 | The Space Station | 7.7 | 11 |
| 5 | The Pentagon | 8.2 | 22 |
| 6 | Bridges | 7.4 | 16 |
| 7 | Prisons | 8.7 | 13 |
| 8 | Gadgets | 7.8 | 11 |
| 9 | Great Inventions | 8.7 | 13 |
| 11 | Household Wonders | 9.0 | 14 |
| 14 | Tower Bridge | 8.2 | 16 |
| 15 | Concrete | 8.7 | 17 |
| 19 | Traffic | 8.4 | 14 |
| 21 | Gold Mines | 6.8 | 17 |
| 22 | Banks | 7.4 | 18 |
| 23 | The Erie Canal | 8.2 | 17 |
| 24 | Trucks | 8.2 | 18 |
| 25 | Aswan Dam | 7.3 | 12 |
| 26 | China's Great Dam | 7.2 | 14 |
| 27 | The Maginot Line | 8.3 | 13 |
| 28 | Video Games: Behind the Fun | 6.8 | 38 |
| 29 | Body Shop: Part 1 | 8.0 | 11 |
| 30 | Body Shop: Part 2 | 8.0 | 10 |
| 32 | Farming Technology | 7.8 | 12 |
| 33 | Assembly Lines | 7.6 | 18 |
| 34 | Suez Canal | 7.7 | 16 |
| 35 | The History of the London Underground | 7.4 | 22 |
| 36 | Combat Training | 7.0 | 14 |
| 38 | Death Devices | 8.8 | 13 |
| 39 | Power Plants | 7.9 | 19 |
| 40 | Inventions of War | 8.4 | 18 |
| 41 | Plumbing: The Arteries of Civilization | 8.7 | 17 |
| 43 | Motorcycles | 6.9 | 22 |
| 44 | Security Systems | 8.2 | 14 |
| 45 | More Engineering Disasters | 8.6 | 24 |
| 46 | Niagara Power | 8.8 | 12 |
| 47 | Casino Technology | 4.5 | 12 |
8.08 avg 25 episodes 7.7 → 8.5 45 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 3 | Apollo 13 | 7.7 | 26 |
| 4 | Survival Technology | 7.0 | 16 |
| 5 | Chesapeake Bay Bridge and Tunnel | 8.1 | 22 |
| 8 | Hadrian's Wall | 8.0 | 13 |
| 13 | Monster Trucks | 7.0 | 30 |
| 15 | Lighthouses | 8.9 | 16 |
| 19 | Computers | 7.5 | 18 |
| 20 | Engineering Disasters 3 | 8.8 | 20 |
| 25 | International Airports II | 9.6 | 11 |
| 26 | Codes | 8.3 | 17 |
| 32 | The Colosseum | 8.6 | 16 |
| 33 | Battle Gear | 6.6 | 23 |
| 34 | World Trade Center | 8.9 | 26 |
| 36 | More Gadgets | 7.8 | 11 |
| 44 | Cannons | 8.4 | 18 |
| 45 | Nuclear Subs | 8.4 | 26 |
| 48 | West Point | 8.3 | 13 |
| 50 | Quarries | 8.3 | 16 |
| 51 | Diamond Mines | 7.6 | 15 |
| 56 | Bunkers | 7.5 | 20 |
| 58 | Cemeteries | 7.6 | 18 |
| 62 | Drive-Thru | 7.8 | 15 |
| 64 | Times Square | 7.5 | 12 |
| 65 | Glass | 9.2 | 15 |
| 67 | The St. Louis Arch | 8.5 | 17 |
7.72 avg 33 episodes 7.7 → 8.4 45 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Failed Inventions | 7.7 | 28 |
| 3 | Private Jets: Part 1 | 6.0 | 15 |
| 4 | Private Jets Part 2 | 6.0 | 13 |
| 8 | Bulletproof | 7.7 | 20 |
| 9 | Siege Machines | 7.8 | 18 |
| 10 | The Junkyard | 7.7 | 20 |
| 13 | The Wheel | 7.8 | 14 |
| 14 | Ice Breakers | 7.5 | 14 |
| 15 | Fire & Ice: Heating and Air Conditioning | 8.3 | 17 |
| 16 | Axes, Swords and Knives | 7.2 | 26 |
| 17 | The World's Biggest Machines | 8.2 | 24 |
| 18 | Drag Racing | 7.1 | 14 |
| 19 | Big Rigs of Combat: Tanks/Jeeps | 8.4 | 11 |
| 20 | The Manhattan Project | 7.9 | 80 |
| 21 | The Tackle Box | 9.0 | 13 |
| 22 | Hunting Gear | 7.0 | 17 |
| 23 | Camouflage | 8.0 | 15 |
| 25 | Hangars | 7.5 | 19 |
| 26 | Super Guns | 6.3 | 14 |
| 27 | Strategic Air Command | 8.4 | 25 |
| 28 | Gasoline | 7.8 | 18 |
| 29 | Engines | 7.8 | 24 |
| 31 | Jet Engines | 8.1 | 18 |
| 34 | The Magnum | 8.0 | 17 |
| 35 | Magnets | 8.5 | 15 |
| 36 | Breweries | 7.8 | 12 |
| 37 | The Chrysler Building | 8.3 | 17 |
| 38 | The Autobahn | 7.3 | 19 |
| 40 | Muscle Cars | 8.2 | 19 |
| 41 | Cranes | 8.1 | 14 |
| 45 | Tunnels of Vietnam | 7.8 | 26 |
| 46 | James Bond Gadgets | 7.3 | 40 |
| 51 | Runways | 8.4 | 14 |
7.90 avg 41 episodes 7.6 → 7.2 45 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Trans-Siberian Railroad | 7.6 | 25 |
| 2 | Castles and Dungeons | 7.7 | 19 |
| 3 | Ice Road Truckers | 7.4 | 15 |
| 4 | Booby Traps | 7.3 | 17 |
| 5 | Alcan Highway | 7.9 | 25 |
| 7 | Mackinac Bridge | 8.8 | 28 |
| 8 | Bullet Trains | 8.8 | 18 |
| 10 | Army Corps of Engineers | 8.1 | 14 |
| 12 | Titanic Tech | 7.7 | 16 |
| 14 | Machine Guns | 8.3 | 14 |
| 15 | Ball Turret Gunners | 8.0 | 16 |
| 16 | U.S. Guns of World War II | 8.6 | 12 |
| 17 | MiG 15 | 8.2 | 12 |
| 18 | T-34: Russian Victory | 6.9 | 13 |
| 20 | Harley-Davidson | 7.7 | 13 |
| 21 | Torture Devices | 7.5 | 26 |
| 22 | Exterminator | 7.7 | 13 |
| 24 | Dangerous Cargo | 7.7 | 19 |
| 26 | Engineering Disasters 4 | 8.5 | 18 |
| 29 | Logging Tech | 8.0 | 23 |
| 30 | Breaking the Sound Barrier | 8.4 | 19 |
| 32 | Car Crashes | 7.7 | 14 |
| 34 | Loading Docks | 8.5 | 12 |
| 36 | Nature Tech: Tornadoes | 7.4 | 11 |
| 37 | Military Movers | 7.9 | 17 |
| 38 | Police Guns | 7.3 | 13 |
| 39 | Terror Tech: Defending the Highrise | 7.8 | 11 |
| 40 | Bullets | 8.1 | 24 |
| 41 | Aircraft Carrier | 7.8 | 11 |
| 42 | Metal | 8.2 | 19 |
| 44 | Space Shuttle Columbia | 8.5 | 13 |
| 45 | Overseas Highway | 8.5 | 26 |
| 46 | Terror Tech: Civilian | 8.9 | 16 |
| 47 | Machu Picchu | 7.4 | 16 |
| 49 | Lake Pontchartrain Causeway | 8.2 | 20 |
| 51 | High Tech Sex | 6.8 | 18 |
| 54 | More Bond Gadgets | 7.1 | 16 |
| 55 | Limos | 7.5 | 14 |
| 56 | Salt Mines | 8.4 | 14 |
| 57 | Digi-Tech | 8.0 | 14 |
| 60 | Extreme Sports Gadgets | 7.2 | 12 |
8.07 avg 60 episodes 7.4 → 8.8 44 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 3 | Pacific Coast Highway | 7.4 | 27 |
| 4 | Gangster Guns | 6.9 | 16 |
| 5 | Racetrack Tech | 8.2 | 13 |
| 6 | Oil Fire Fighting | 7.8 | 24 |
| 7 | Command Central | 8.2 | 11 |
| 8 | Frontline Reporting | 6.8 | 11 |
| 9 | Nature's Engineers | 8.2 | 20 |
| 10 | Bible Tech | 7.2 | 21 |
| 12 | Bathroom Tech | 7.9 | 22 |
| 13 | Engineering Disasters 6 | 8.3 | 24 |
| 15 | Hydraulics | 8.3 | 20 |
| 16 | Plane Crashes | 7.8 | 13 |
| 17 | D-Day Tech | 7.4 | 17 |
| 18 | A-10 Tankbuster | 8.5 | 15 |
| 19 | Rubber | 8.1 | 14 |
| 20 | City Water | 7.7 | 14 |
| 23 | Nuclear Technology | 8.9 | 17 |
| 24 | Distilleries | 8.1 | 23 |
| 25 | Apollo 11 | 8.4 | 27 |
| 26 | World War I Tech | 8.1 | 25 |
| 27 | Oil Tankers | 7.0 | 15 |
| 28 | Engineering Disasters 7 | 8.3 | 20 |
| 29 | Extreme Aircraft | 7.8 | 26 |
| 31 | Building a Skyscraper: The Skeleton | 8.6 | 13 |
| 32 | Building a Skyscraper: The Exterior | 9.2 | 12 |
| 33 | Building a Skyscraper: The Arteries | 8.8 | 14 |
| 34 | Building a Skyscraper: The Human Environment | 8.9 | 14 |
| 35 | The Sears Tower | 8.5 | 17 |
| 36 | Police Pursuit | 7.3 | 17 |
| 39 | World's Biggest Machines 2 | 8.3 | 13 |
| 40 | Engineering Disasters 8 | 8.5 | 20 |
| 41 | Harvesting: Part 1 | 7.3 | 18 |
| 42 | Engineering Disasters 9 | 8.3 | 24 |
| 43 | Engineering Disasters 10 | 8.2 | 24 |
| 44 | Presidential Movers | 7.5 | 26 |
| 45 | Gas Tech | 8.7 | 13 |
| 46 | Engineering Disasters 11 | 8.7 | 23 |
| 47 | M1 Abrams Supertank! | 8.3 | 14 |
| 48 | Engineering Disasters 12 | 8.4 | 20 |
| 50 | Engineering Disasters 13 | 8.2 | 23 |
| 51 | Submarine Disasters | 6.8 | 21 |
| 52 | Engineering Disasters 14 | 8.5 | 22 |
| 54 | Engineering Disasters 15 | 8.3 | 24 |
| 55 | Snack Food Tech | 7.8 | 22 |
| 56 | Commercial Fishing | 7.5 | 20 |
| 57 | Dangerous Cargo 2 | 8.6 | 13 |
| 58 | Engineering Disasters 16 | 8.5 | 22 |
| 59 | Doomsday Tech | 7.4 | 25 |
| 60 | More Doomsday Tech | 7.7 | 21 |
| 61 | Inviting Disaster: Three Mile Island | 8.2 | 15 |
| 62 | Panzers | 8.0 | 12 |
| 65 | Inviting Disaster 2: The Kursk | 7.5 | 16 |
| 67 | Inviting Disaster 4: Building Failures | 8.5 | 12 |
| 69 | Shipyards | 8.4 | 18 |
| 71 | Extreme Trucks | 7.3 | 16 |
| 78 | The Technology of Kitty Hawk | 9.2 | 11 |
| 80 | Egyptian Pyramids | 7.7 | 22 |
| 81 | The Berlin Wall | 8.5 | 16 |
| 82 | Toys | 7.9 | 19 |
| 83 | Engineering Disasters 5 | 8.8 | 21 |
7.84 avg 36 episodes 6.7 → 8.2 62 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Poison | 6.7 | 13 |
| 2 | Car Tech of the Future | 8.5 | 13 |
| 3 | The Arch | 7.6 | 17 |
| 5 | World's Biggest Machines 3 | 7.6 | 18 |
| 6 | The Butcher | 7.9 | 21 |
| 7 | George Washington Carver Tech | 7.8 | 21 |
| 8 | Desert Tech | 8.1 | 17 |
| 9 | Sub Zero Tech | 8.3 | 14 |
| 11 | Howard Hughes Tech | 6.5 | 44 |
| 12 | Edwards Air Force Base | 8.3 | 23 |
| 13 | Taxidermy | 8.2 | 12 |
| 15 | Deadliest Weapons | 7.9 | 23 |
| 16 | The Doomsday Clock | 7.9 | 16 |
| 17 | The Basement | 7.6 | 14 |
| 18 | Paint | 7.7 | 16 |
| 20 | Bricks | 8.4 | 14 |
| 27 | The Cape Cod Canal | 8.6 | 16 |
| 28 | Private Collections | 8.2 | 12 |
| 29 | Future Tech | 7.3 | 13 |
| 30 | Edison Tech | 8.1 | 17 |
| 32 | Mountain Roads | 8.3 | 18 |
| 38 | Dredging | 7.7 | 16 |
| 41 | Route 66 | 8.1 | 15 |
| 42 | World's Fastest | 7.3 | 17 |
| 44 | High Risk: Helicopter Linemen | 8.4 | 10 |
| 45 | Wiring America | 8.0 | 20 |
| 47 | Coffee | 7.9 | 29 |
| 48 | Sugar | 7.4 | 23 |
| 52 | Secret Allied Aircraft of WWII | 6.9 | 15 |
| 53 | Engineering Disasters 17 | 8.4 | 22 |
| 54 | Brewing | 7.9 | 28 |
| 55 | The Lumberyard | 8.4 | 15 |
| 56 | DaVinci Tech | 7.2 | 18 |
| 57 | Custom Cars | 7.2 | 12 |
| 59 | More Snackfood Tech | 7.8 | 20 |
| 60 | Walt Disney World | 8.2 | 65 |
7.61 avg 20 episodes 7.5 → 8.1 45 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Glue | 7.5 | 24 |
| 2 | F/A-22 Raptor | 8.6 | 14 |
| 3 | Machines of D-Day | 7.7 | 13 |
| 6 | Secret Japanese Aircraft of WWII | 6.0 | 15 |
| 8 | Cowboy Tech | 7.9 | 17 |
| 9 | Sewers | 7.8 | 12 |
| 10 | Lube Job | 8.0 | 13 |
| 11 | Secret Luftwaffe Aircraft of WWII | 6.9 | 20 |
| 12 | B-2 Bomber | 7.4 | 23 |
| 44 | Civil War Tech | 7.9 | 23 |
| 51 | World's Longest Bridge | 7.9 | 15 |
| 53 | Forensic Science: The Crimefighter's Weapon | 7.0 | 12 |
| 55 | The M-16 | 7.2 | 16 |
| 56 | Las Vegas | 7.4 | 29 |
| 58 | Battlefield Engineering | 7.6 | 14 |
| 59 | Transatlantic Cable | 7.8 | 17 |
| 67 | Space Shuttle | 8.0 | 17 |
| 70 | Statue of Liberty | 7.8 | 14 |
| 71 | More Earthmovers | 7.7 | 14 |
| 74 | Panama Canal | 8.1 | 31 |
7.68 avg 40 episodes 8.1 → 7.3 44 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 4 | Cola Wars | 8.1 | 16 |
| 5 | Containers | 7.6 | 12 |
| 6 | Cotton | 7.8 | 15 |
| 7 | Engineering Disasters 18 | 7.9 | 20 |
| 8 | Candy | 7.9 | 23 |
| 9 | Engineering Disasters: New Orleans | 8.1 | 16 |
| 11 | Engineering Disasters 19 | 8.3 | 24 |
| 12 | Insulation | 7.4 | 13 |
| 13 | Hi-Tech Hitler | 6.5 | 20 |
| 14 | Shovels | 7.4 | 12 |
| 15 | Drilling | 7.7 | 14 |
| 16 | '80s Tech | 8.0 | 34 |
| 17 | Ben Franklin Tech | 7.4 | 15 |
| 18 | Heavy Metals | 8.2 | 20 |
| 19 | Horsepower | 7.5 | 16 |
| 20 | BBQ Tech | 7.7 | 18 |
| 21 | Pirate Tech | 7.2 | 23 |
| 22 | World's Biggest Machines 5 | 7.4 | 19 |
| 23 | Nuts | 7.1 | 21 |
| 24 | Batteries | 7.6 | 15 |
| 25 | Mummy Tech | 7.4 | 16 |
| 26 | Levees | 7.2 | 13 |
| 27 | Water | 8.4 | 23 |
| 28 | Copper | 8.2 | 20 |
| 29 | Renewable Energy | 7.5 | 25 |
| 30 | Freight Trains | 8.3 | 24 |
| 31 | Atlantic Intracoastal Waterway | 8.6 | 12 |
| 34 | Ink | 7.7 | 13 |
| 35 | Distilleries 2 | 7.6 | 20 |
| 36 | World's Strongest | 7.5 | 19 |
| 37 | Tomcat Sunset | 8.5 | 12 |
| 38 | Tobacco | 7.1 | 21 |
| 39 | The Supermarket | 7.7 | 26 |
| 40 | Breakfast Tech | 7.3 | 18 |
| 41 | Wine | 7.6 | 20 |
| 42 | Harvesting 2 | 6.0 | 17 |
| 43 | Engineering Disasters 20 | 8.1 | 26 |
| 44 | Snow | 8.0 | 12 |
| 45 | Tea | 8.3 | 20 |
| 46 | Christmas Tech | 7.3 | 19 |
7.51 avg 38 episodes 8.1 → 7.8 44 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Balls | 8.1 | 13 |
| 2 | Environmental Tech | 5.7 | 24 |
| 3 | Canning | 7.8 | 15 |
| 4 | Ice | 8.8 | 16 |
| 6 | Star Trek Tech | 8.5 | 24 |
| 7 | Weapons of Mass Destruction | 7.2 | 21 |
| 8 | Barbarian Battle Tech | 7.2 | 19 |
| 9 | Dams | 7.9 | 22 |
| 10 | Yard Tech | 7.3 | 14 |
| 11 | More Military Movers | 7.2 | 15 |
| 12 | Deep Sea Salvage | 8.0 | 15 |
| 13 | Welding | 7.6 | 22 |
| 14 | It Came from Outer Space | 8.2 | 21 |
| 15 | 60's Tech | 7.9 | 23 |
| 16 | World's Strongest 2 | 7.0 | 14 |
| 17 | Engineering Disasters of the 70's | 7.6 | 19 |
| 18 | Truck Stops | 7.0 | 19 |
| 19 | Fertilizer | 7.4 | 15 |
| 20 | Cheese | 7.5 | 19 |
| 21 | Saws | 7.2 | 19 |
| 22 | Aluminum | 8.3 | 21 |
| 23 | Sticky Stuff | 7.2 | 19 |
| 24 | Chocolate | 8.0 | 19 |
| 25 | Bedroom Tech | 6.7 | 13 |
| 27 | Traps | 6.8 | 13 |
| 29 | Star Wars Tech | 7.9 | 14 |
| 30 | Extreme Aircraft II | 8.2 | 25 |
| 31 | Deep Freeze | 8.0 | 13 |
| 32 | Acid | 7.9 | 26 |
| 33 | World's Sharpest | 7.4 | 18 |
| 34 | Engineering Disasters 21 | 7.6 | 20 |
| 35 | Environmental Tech II | 6.0 | 18 |
| 36 | Corn | 7.3 | 17 |
| 37 | The Pig | 5.9 | 16 |
| 38 | Rocks | 7.2 | 14 |
| 39 | Most Shocking | 8.3 | 15 |
| 40 | Cold Cuts | 7.9 | 18 |
| 41 | Fast Food Tech | 7.8 | 18 |
7.52 avg 40 episodes 7.6 → 8.0 46 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Milk | 7.6 | 21 |
| 2 | Carbon | 8.0 | 26 |
| 3 | '90s Tech | 7.7 | 31 |
| 4 | Superhighways | 7.7 | 21 |
| 5 | World's Strongest III | 8.0 | 19 |
| 6 | Strange Weapons | 6.9 | 17 |
| 7 | Alaskan Fishing | 6.9 | 18 |
| 8 | Whiskey | 7.5 | 26 |
| 9 | Bread | 8.1 | 18 |
| 10 | Gadgets 3 | 7.3 | 14 |
| 11 | Locomotives | 8.3 | 22 |
| 12 | Rats | 7.3 | 13 |
| 13 | Mad Electricity | 8.5 | 53 |
| 15 | Most Dangerous | 7.5 | 15 |
| 16 | Super Hot | 7.4 | 17 |
| 17 | Corpse Tech | 6.3 | 12 |
| 18 | Ice Cream | 8.0 | 26 |
| 19 | Bathroom Tech II | 6.9 | 15 |
| 20 | Crashes | 7.2 | 15 |
| 21 | Underwear | 6.9 | 15 |
| 23 | Coin Operated | 7.5 | 20 |
| 24 | Secrets of Oil | 7.4 | 23 |
| 25 | Iron | 7.9 | 22 |
| 26 | Wheat | 7.9 | 14 |
| 27 | Dangerous Roads | 6.7 | 20 |
| 28 | Mold & Fungus | 6.7 | 18 |
| 29 | Lead | 8.0 | 13 |
| 30 | Corrosion and Decomposition | 7.8 | 20 |
| 31 | Bull's-Eye | 7.1 | 16 |
| 32 | Halloween Tech | 7.4 | 23 |
| 33 | The Horse | 7.3 | 14 |
| 34 | The Turkey | 6.8 | 16 |
| 35 | Salt | 8.4 | 25 |
| 36 | Car Wash | 8.6 | 20 |
| 37 | Retro Tech | 7.4 | 18 |
| 38 | Super Human | 7.0 | 18 |
| 39 | Measure It | 7.8 | 17 |
| 40 | Night | 7.4 | 12 |
| 42 | Fry It | 7.5 | 21 |
| 43 | Soft Drinks | 8.0 | 20 |
7.54 avg 18 episodes 7.4 → 6.1 45 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Dirt | 7.4 | 17 |
| 2 | Eggs | 7.9 | 20 |
| 3 | The Potato | 7.4 | 24 |
| 4 | Tuna | 7.7 | 19 |
| 6 | Breaking Point | 6.3 | 13 |
| 7 | Chrome | 7.5 | 13 |
| 8 | Start to Finish | 8.6 | 13 |
| 9 | Beans | 8.0 | 15 |
| 10 | Hot & Spicy | 7.8 | 24 |
| 11 | Deliver It | 7.6 | 17 |
| 12 | Helicopters | 7.9 | 21 |
| 13 | Super Ships | 7.7 | 22 |
| 14 | Big & Small | 7.3 | 20 |
| 15 | Keep Out | 6.8 | 16 |
| 16 | Super Steam | 7.6 | 21 |
| 17 | Doors | 8.0 | 11 |
| 18 | The Real National Treasure | 8.2 | 30 |
| 19 | Top Ten Tech Inovations | 6.1 | 14 |
7.61 avg 14 episodes 7.4 → 7.9 44 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Mega Stores | 7.4 | 14 |
| 2 | Supersized Food | 7.3 | 15 |
| 3 | Coin Operated II | 7.9 | 15 |
| 4 | Engineering Disasters 22 | 9.0 | 17 |
| 5 | Dogs | 8.4 | 17 |
| 6 | Built to Last | 7.0 | 11 |
| 7 | Secret Underground | 7.1 | 14 |
| 8 | Made in the USA | 7.9 | 16 |
| 9 | Driver's Seat | 6.8 | 13 |
| 10 | Rice | 8.0 | 18 |
| 11 | Packaging | 6.7 | 18 |
| 12 | Grease | 7.0 | 11 |
| 13 | Ropes & Chains | 8.2 | 12 |
| 14 | American Trucking | 7.9 | 15 |
7.36 avg 12 episodes 7.0 → 7.5 43 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Inside Your Walls | 7.0 | 16 |
| 2 | Built by Hand | 8.2 | 20 |
| 3 | Food: Ice Cream | 7.4 | 7 |
| 4 | Pocket Tools | 6.4 | 20 |
| 5 | Food Trucks | 7.6 | 21 |
| 6 | Weird Machines | 6.9 | 21 |
| 7 | Fast Food | 6.8 | 8 |
| 10 | Waterproof | 7.5 | 17 |
| 11 | Wood | 8.1 | 18 |
| 12 | Convenience Stores | 7.9 | 15 |
| 13 | Tiny Weapons | 7.0 | 18 |
| 16 | Alaska | 7.5 | 17 |
7.09 avg 9 episodes 7.5 → 7.9 43 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Mega Speed Countdown | 7.5 | 21 |
| 2 | Mega Machine Countdown | 6.4 | 14 |
| 3 | Mega Weapon Countdown | 7.2 | 18 |
| 4 | Stink | 5.1 | 17 |
| 5 | Under Pressure | 7.9 | 16 |
| 6 | Shoes | 7.6 | 14 |
| 7 | Amazing Job Countdown | 7.2 | 13 |
| 10 | Amazing Gadgets Countdown | 7.0 | 12 |
| 11 | Mega Food Countdown | 7.9 | 19 |
7.07 avg 3 episodes 7.9 → 7.0 43 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Mega Snack Countdown | 7.9 | 16 |
| 2 | Super Strong Countdown | 6.3 | 14 |
| 4 | Strangest Countdown | 7.0 | 15 |