Season 1 (2015)
6.70 avg 6 episodes 6.8 → 6.7 42 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Mega Bridge | 6.8 | 22 |
| 2 | Ultimate Warship | 6.1 | 21 |
| 3 | Skyscraper of the Future | 6.6 | 26 |
| 4 | Ultimate Airport | 7.3 | 24 |
| 5 | World's Fastest Train | 6.7 | 29 |
| 6 | World's Largest Plane | 6.7 | 25 |
Cast
Seasons
Season 2 (2016)
6.91 avg 9 episodes 6.9 → 7.2 43 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | NASA's Rocket to Mars | 6.9 | 25 |
| 2 | Worlds Tallest Bridge | 6.8 | 23 |
| 3 | Ultimate Football Stadium | 7.3 | 21 |
| 4 | World's Most Powerful Dam | 6.8 | 23 |
| 5 | World's Longest Tunnel | 7.2 | 24 |
| 6 | World's Biggest Cruise Ship | 6.5 | 24 |
| 7 | U.S. Navy's Super Submarine | 6.9 | 22 |
| 8 | The Glass Skyscraper | 6.6 | 19 |
| 9 | Kings of the Sea | 7.2 | 7 |
Season 3 (2017)
7.25 avg 16 episodes 7.3 → 7.2 42 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | World's Largest Radio Telescope | 7.3 | 18 |
| 2 | Panama Canal Overhaul | 7.7 | 22 |
| 3 | World's Biggest Ship | 7.3 | 21 |
| 4 | Ice Base | 7.5 | 23 |
| 5 | Mega City Railway | 7.6 | 22 |
| 6 | The Invincible Tower | 7.4 | 18 |
| 7 | International Space Station | 7.7 | 17 |
| 8 | US Navy's Super Ship | 7.5 | 18 |
| 9 | Inside the Tesla Factory | 5.8 | 23 |
| 10 | World's Biggest Aircraft | 8.1 | 23 |
| 11 | World's Tallest Roller Coaster | 8.0 | 22 |
| 12 | Monster Gateways | 6.8 | 7 |
| 13 | Monster Oil Rig | 7.5 | 20 |
| 14 | Giants of Asia | 5.4 | 7 |
| 15 | World's Most Powerful Ships | 7.2 | 8 |
| 16 | Marvels of Japan | 7.2 | 8 |
Season 5 (2019)
7.66 avg 10 episodes 7.4 → 7.6 42 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Chernobyl's Toughest Fix | 7.4 | 21 |
| 2 | NYC Mega Build | 8.1 | 16 |
| 3 | US Army's Super Tank | 8.0 | 14 |
| 4 | Skyscrapers of the Deep | 7.9 | 14 |
| 5 | The Real Iron Man Suit | 7.9 | 14 |
| 6 | Underwater Mega Tower | 7.4 | 18 |
| 7 | US Navy's Aircraft Carrier | 6.8 | 17 |
| 8 | World's Fastest Car | 7.7 | 15 |
| 9 | Himalayan Mega Train | 7.8 | 14 |
| 10 | World's Greatest Yacht | 7.6 | 15 |
Season 6 (2019)
7.65 avg 6 episodes 7.5 → 7.9 42 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Beasts of the Bayou | 7.5 | 8 |
| 2 | The Trains That Built America | 7.7 | 8 |
| 3 | Monster of the Andes | 7.8 | 8 |
| 4 | Himalaya Mega Bridge | 7.0 | 8 |
| 5 | NYC Monster Train | 8.0 | 9 |
| 6 | Rise of the Hyperloop | 7.9 | 10 |
Season 7 (2020)
7.36 avg 8 episodes 7.3 → 7.6 42 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Dubai's Impossible Island | 7.3 | 19 |
| 2 | World's Toughest Tunnels | 7.8 | 14 |
| 3 | F-35 Fighter Jet | 7.2 | 16 |
| 4 | NYC Mega Tower | 7.0 | 17 |
| 5 | World's Biggest Airport | 7.4 | 15 |
| 6 | Spy Plane Declassified | 6.5 | 13 |
| 7 | World's Highest Bridge | 8.1 | 15 |
| 8 | Conquering Avalanche Country | 7.6 | 14 |
Season 8 (2020)
7.58 avg 4 episodes 7.3 → 8.2
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Secrets of the Supertanker | 7.3 | 16 |
| 2 | Seattle Super Bridge | 7.8 | 17 |
| 3 | Texas Super Skyscraper | 7.0 | 13 |
| 4 | World's Strongest Ship | 8.2 | 12 |
Season 9 (2020)
7.47 avg 3 episodes 7.6 → 7.8 42 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | World's Largest Plane: Stratolaunch | 7.6 | 8 |
| 2 | World's Greatest Waterworks | 7.0 | 13 |
| 4 | Titan on the Water | 7.8 | 9 |
Season 10 (2021)
7.54 avg 9 episodes 7.9 → 7.6 42 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | World's Largest Crane Vessel | 7.9 | 12 |
| 2 | Mars Rover Declassified | 7.8 | 10 |
| 3 | World's Greatest Submarine | 7.6 | 10 |
| 4 | Abandoned Resurrection | 7.2 | 9 |
| 5 | Firefighting Sky Giant | 7.4 | 8 |
| 6 | Inside the Super Stadium | 8.0 | 10 |
| 7 | Heavy Lift Helicopter | 7.4 | 8 |
| 8 | US Military Hovercraft | 7.0 | 8 |
| 9 | Scotland's Super Bridge | 7.6 | 9 |
