Do Aliens Exist? [ENCORE]

In this special summer mailbag episode, Marshall and Lindsay help answer three kid questions: How do stem cells decide what to become? How do chameleons change color? and... What is Morse code? This special episode features answers from Jessica Whited, Michel Milinkovich, and Mic ...  Show more

How do cheetahs get their super speed? We talk to a cheetah scientist to find out why a spotted cat is the fastest animal on Earth. Cheetahs are literally built for speed! Anne Hilborn spent months scoping out cheetahs on the hunt in the grasslands of the Serengeti. We’ll discove ...  Show more

Ciaran and Dan delve into one of the biggest mysteries of all time: Are we alone in the universe? With the help of Voyager Golden Record artist Jon Lomberg and more, we try to discover how we might know if something else was out there and if we ever did discover alien life, how w ...  Show more

Have you ever heard of Area 51? What about Roswell, New Mexico? What if the supposed alien-related events and conspiracies surrounding these two locations were actually true? As we close out our time looking at the existence of aliens, it's time to look at what we believe versus ...  Show more

In the final episode of our series about myths and legends, we’re launching our imaginations into outer space! Monster expert Emily Zarka tells us about her favorite alien and why aliens fascinate so many people. In the Hoax Hunters season finale, Marc and Sanden bring us a UFO s ...  Show more

It's game show time! The explorers find themselves on the most bizarre planet yet, where they are contestants on a game show. If they do well, they're allowed to stay as guests, but if they miss their marks, it's into the Fail Jail they go! Once again, we have another puzzle for ...  Show more