When Ella Mentry School invites a local dentist to speak on National Dessert Day, A.J. and his friends uncover the dentist's secret plot to promote cavities for more business.

At the end of recess at Eerie Elementary, everything on the school grounds suddenly comes alive and turns into a fog-filled jungle maze intent on trapping and disposing of hall monitor Sam Graves and his friends Antonio and Lucy.

Alexander's class is going on a sleepover at the Stermont Museum, but something is stealing bright, shiny objects from all over town, including the museum's treasured Ruby Scorpion, and on the night of the visit the young monster hunters finally confrontthe town's newest monster--a warrior covered entirely by bubble-wrap.

Since the Notebook of Doom was stolen Alexander and the other monster hunters of Stermont Elementary have been operating without its assistance and now they are confronted by a large and stinky monster with eight powerful noses that can deliver a slimy sneeze with the power of a cannon--and somehow they must figure out its weakness.

When Fly Guy is not allowed in the restaurant with Buzz's family he follows his nose and ends up in the soup.

Mrs. Meyer from the local fire department comes to Ella Mentry School to teach the kids about fire safety, but Mrs. Meyer likes fire just a little too much.

"Omar is going on his biggest adventure yet--a trip to Pakistan! But his excitement about the trip is interrupted by some shocking news: his amazing teacher is not coming back to school, and no one will say why. When Omar and his friends start investigating, the hints they overhear and clues they find lead them to an alarming conclusion--it must be aliens! Omar has a huge imagination, but saving his teacher from aliens seems far-fetched even to him....

Diego and his friends work together to help Roady the Roadrunner win an exciting race.

Retired scientist Miss Tracy comes to Ella Mentry School to teach about the planets and the solar system and casts A.J. as Uranus in the school play.

While riding in the car with Buzz and his father, Fly Guy gets blown out of the window and finds himself riding in a truck, then a boat, a train, an airplane, and maybe even a rocket.