As a little girl munches on an apple, she thinks she must have the mightiest bite. Suddenly, along comes a parade of animals to compete for the title, including a shark with its 300 teeth in rows, and a t-rex with 60 huge bone-crunchers! But while each animal is fighting over their claim to the title, there's a clever mosquito at work - can the hungry mosquito outwit them all, even the little girl?