Season 1 (2015)
6.42 avg 5 episodes 6.5 → 5.9
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Helicopter, Scuba, & Space Travel | 6.5 | 12 |
| 2 | The Bow and Arrow, Gun, & Atomic Bomb | 6.8 | 9 |
| 3 | Anesthesia, Antibiotics, & Organ Transplants | 6.7 | 10 |
| 4 | The Telescope, X-Ray, & Electron Microscope | 6.2 | 8 |
| 5 | Trains, Cars, & Airplanes | 5.9 | 11 |
