A prank caller keeps bothering Mrs. Maniaci in the middle of her soap opera. Kyle's favorite event of the year goes terribly wrong.

Mrs. Maniaci's roses are ruined by a tampered sprinkler system. The students in Mr. Barker's class seem to be up to something.

Someone with great aim has ruined Esther's painting. Later, the Inbestigators need to move fast -- because there's a turtle thief on the loose!

It's an emergency when Mr. McGillick's "World's Best Principal" mug goes missing. Poppy's lost her hat, and now she can't play outside.

The Case of the Rosemary Riddle / The Case of the Robot Robbery

The latest snack craze sparks a theft at school. The kids throw Mr. Barker an awesome '80s-themed birthday party. Trouble is, they can't find the cake.

Mrs. Maniaci's doorbell is broken, and nobody’s car keys are working. What's going on? Kyle and Ezra partner up for an online math competition.

A woman accuses the school's kindhearted crossing guard of stealing her handbag. The Inbestigators enter a competition for young entrepreneurs.

Someone sabotaged a wildly successful lemonade stand, but who? At a school fundraiser, the fortune teller's predictions are eerily accurate.

Who slipped Mr. McGillick's phone into a tub of rice -- and why? Later, the Inbestigators film a commercial. But first they have to find Ezra's fish.