Assisted by a herpetologist, Ms. Robb introduces her students to their new pet, a box turtle named Franklin, and teaches them how to take care of turtles.

When Mistletoe the mouse sees something spooky in Room 4-B, the rest of the Class Pets Club think she's just caught up in the spirit of Halloween. But Fuzzy decides to investigate-- and gets a fur-raising surprise. So the club cooks up a mission: scare away the ghost before it freaks out the kids.

When an annoyingly cute rabbit takes over as Class 5-B's favorite pet, Fuzzy the guinea pig must prove he's the best by taking the pets on a field trip.