The human body can go three weeks without food, but only three days without water! Weird, but true! Charlie and Kirby are brushing up on these facts and more as they prepare to head out to Alaska for a major camping trip. They're on a mission to uncover the necessities for human survival, and with a little help from an expert, they'll put their knowledge to the test out in the wilderness!

Originally released by National Geographic, 2017. Streaming video file encoded with permission for digital streaming by Infobase on January 05, 2023.