Big Mouths S3, E8: Imagine a hot dog eating contest with a creature that can swallow 50 bathtubs full of water in a single gulp! Or encountering a fish that can make it's mouth 12 times bigger in a split-second. Check out the biggest big mouths on the planet.
The Most Extreme uncovers how the best (and worst) of the human world stack up against the animal kingdom, revealing unbelievable, little-known facts about creatures great and small. Join in the excitement as The Most Extreme counts down to the fastest, strongest, and smartest animals. This eye-popping series is full of unlikely candidates for the wild's most outrageous titles and facts on why human beings don't quite make the cut.