After a mysterious egg hatches into a baby dragon, Wiglaf and his roommate Angus decide to keep it.

Wiglaf and his friends Angus and Erica find themselves teamed with the obnoxious Bragwort to represent the Dragon Slayers' Academy in an unevenly matched contest at the All-Schools Brain-Power Tournament.

Fluffy the guinea pig suffers many humiliations at the hands of the students in Ms. Day's classroom.

Upon superstitious headmaster Mordred's orders, the returning students and new lasses of Dragon Slayers' Academy deck themselves in lucky charms on Friday the thirteenth, but luck may not help when a wicked dragon arrives seeking revenge.

Fluffy the guinea pig learns all about growing vegetables when Ms. Day's class plants seeds.

Each morning, student Ron Faster hurries to Harvey N. Trouble School, where he encounters such staff members as science teacher Ms. Roxanne Pebbles, music instructor Mrs. Doremi Fasollatido, and the resigning janitor Mr. Iquit.

Fluffy endures a bath and shampoo at school on Valentine's Day, but when another guinea pig named Kiss is placed in his play yard, his patience snaps.

After a summer at Camp Dragononka, Wiglaf returns to school to find himself tormented by his energetic younger brother Dudwin and a troublesome troll with a sense of humor.

Groundhog Dog inspires the class to celebrate Groundpig Day with their guinea pig Fluffy, and Fluffy gets to help an unhappy groundhog.

When Wagner's eye test shows that he needs glasses, it takes him a little while--and some help from his friends--to adjust to his new look.