Seeing Jane's dog, Yum-Yum, help cheer up children in a cancer ward makes Zoe think about having her puppy, Sneakers, trained to do therapy, too, especially when Yum-Yum becomes very illustrations.

"Meet Jules and Josh, the new twins in town! While Josh adapts quickly to Ambler, Jules accidentally makes an enemy of Maggie. Hoping a pet will help her feel better, Jules adopts the class rabbit, Chewie, but things go downhill when there are complications with Chewie's spay surgery. With Dr. Mac out on a call, it's up to Jules to work with Maggie to help the rabbit - and maybe even prove that she and Josh are worthy of becoming Vet Volunteers."--...

After Sunita's beloved pet cat, Mittens, gets injured on her watch, she wonders if vet work is right for her. She takes an internship at a research lab, but learns that they test on animals and eventually put them to sleep. Sunita loves animals, but can she find a way to work with them without harming them?