The Wonder Pets receive a call for rescue from an egg and travel to Yellowstone Park. There, they face obstacles such as a mischievous prairie dog and a gushing geyser. As they cope with the unique difficulties of trying to save an egg, they also wonder the whole time just what type of animal the egg contains. / When an upset baby flamingo is trapped in a muddy pit, the Wonder Pets most fly into a coloring book to save him. This brightly colorful world provides an exciting adventure for the Wonder Pets, who face the challenge of rescuing the flamingo without falling into a trap.