Meet Diego's four new friends, all members of Diego's Internation Rescue League. They will take the World Animal Rescue Test so they will be able to rescue animals all over the world.

Stink Moody, friends Webster and Sophie, and Mrs. Birdwistle visit tourist attractions in Virginia as they try to give away 101 guinea pigs rescued from a laboratory, although Stink is very reluctant to give away his favorite, Astro.

Sunita and her fellow volunteers at the Wild at Heart veterinary clinic become involved in efforts to save a bunch of feral and abandoned cats with the help of Dr. Mac.

While on an underwater adventure seeking sunken treasure, Flat Stanley finds a dolphin trapped in a net.

Princess Lulu loves visiting the lion cubs that roam the plains of her kingdom. But when all of the lion cubs disappear, Lulu must spring into action. She and the other princesses have to discover what happened to the missing lions -- and fast!

Nukilik, a polar bear, joins Wangari, a pangolin with a genius for engineering, Murdock, an extremely sarcastic narwhal, and Arief, an orangutan with a big dream, to safeguard other endangered animals.

The Rescue Princesses are going to Princess School! They're excited, but also a little worried--will they still have time to help animals in need? Princess Ella has lost her pet rabbit. She hopes that her new friends, the Rescue Princesses, are just the girls to bring her bunny home.

In Chiang Mai, Thailand, nine-year-old Tua releases an abused elephant from its chains--can she complete the rescue by getting it to an elephant refuge without being caught herself?

Princess Emily's sister, Lottie, is the newest member of the Resuce Princessesses. She is excited to have animal adventures of her very own. When Lottie uncovers a plot to steal horses from the palace stables, she knows she must act. She is a Resuce Princess now -- if anyone can save those animals, it's her!

Princess Maya welcomes the Rescue Princesses to the kingdom of Lepari. It's a beautiful land, where the king has sworn to protect the rare snow leopards that live in the mountains. Maya and her new friends aree devastated to learn about a secret plan that will harm the leopards. The girls want to save them, but first they must convince the Lepari royalty that the leopards are really at risk.