Mouse might be teeny-tiny-titchy-witchy, but she's determined to show the other animals that anyone can roar like a dinosaur. With the help of her trusty "How to Roar Like a Dinosaur" book, Mouse gets to work getting her dino-roar back, much to the bemusement of the chattering meerkat, the grunting warthog and the ruk-ruking chameleon . . .