| ★ | Why Wasn't There A Second Age of Reptiles? | | — | Estados Unidos | |
| 4 | Where did the dinosaur-killing asteroid come from? | | — | Estados Unidos | 92 |
| 20 | Ancient birds may have been smart, but clumsy | | — | Estados Unidos | 91 |
| 3 | How Dinosaurs May Have Cursed Us With Aging | | 1.8M | Estados Unidos | 92 |
| 7 | The Mystery of the Missing Deep-Sea Fish | | 1.2M | Estados Unidos | 91 |
| 17 | How the Tibetan Plateau Created the Ultimate Cat | | 633.8K | Estados Unidos | 91 |
| 18 | We Made a TV Show About The Permian Period | | 444.7K | Estados Unidos | 91 |
| 10 | The Lagoon That Puzzled Paleontologists for 250 Years | | 432.4K | Estados Unidos | 91 |
| 5 | How We Figured Out an Asteroid Killed the Dinosaurs | | 406.2K | Estados Unidos | 92 |
| 6 | How Dinosaur Extinction Gave Us Fruit | | 276.2K | Estados Unidos | 92 |
| 19 | Why do mammals keep evolving into ant-eaters? | | 242.3K | Estados Unidos | 91 |
| 8 | How Chewing May Have Beat Extinction | | 217.6K | Estados Unidos | 91 |
| 1 | These Lizards Beat Extinction | | 166.9K | Estados Unidos | 93 |
| 13 | Dinosaur teeth have ancient air trapped inside of them | | 80.9K | Estados Unidos | 91 |
| 16 | 100 million years ago, squid suddenly took over the oceans | | 79.8K | Estados Unidos | 91 |
| 11 | We Found T-Rex's Lost Ancestor! | | 66.0K | Estados Unidos | 91 |
| 9 | This giant ancient sea monster may have been a stealth predator | | 57.3K | Estados Unidos | 91 |
| 14 | Which came first, childhood or big brains? | | 33.2K | Estados Unidos | 91 |
| 12 | Stone Age or Bone Age | | 23.7K | Estados Unidos | 91 |
| 2 | Mesozoic Mammals Were Drab | | 15.9K | Estados Unidos | 92 |
| 15 | These are the newest oldest birds of prey | | 14.1K | Estados Unidos | 91 |