Addison

Donnie convinces everyone that the Headless Haunter is wandering the park. | Summer movie night may be cancelled when swarms of mosquitoes descend.

Addison and Alex dig up what they think is an Ancient Roman coin. | When Addison and her classmates get an assignment to write about local news.

Donnie brings a robot to show and tell.| Someone messes with Addison and Alex's record-setting soap box derby car.

Kevin's new radio-controlled car seems to have a mind of its own. | When helium balloons start popping, Addison must save Tess's fashion show!

Someone or something starts messing with recycling bins all over the neighborhood. | An inflatable Pteranodon goes missing from Pizzamat's roof.

The local winter Olympics are in jeopardy when the outdoor skating rink keeps mysteriously melting. | Addison thinks everyone forgot her birthday.

Addison and Tess make a haunted maze for Halloween. | Addison is stumped when Eureka and Gyro disappear!

Addison looks into a nefarious kitty kidnapping conspiracy. | Mrs. Rorschach develops a sudden allergy.

Ms. Bell hides mammoth fossils in the sandpit. | When crop circles appear in the park, Alex suspects visitors from the fourth dimension.

A mysterious note may lead to treasure. | When a rival detective agency solves a rash of local mysteries, Addison wonders if she's lost her touch.

Addison and her classmates play music written by an eccentric billionaire. | Addison and Tess's fairy garden attracts a mysterious glowing frog.

When fish disapppear from the pond, Addison fears they ended up as cafeteria fish sticks. | Mrs. Rorschach is intimidated by the Lucha Grandma.

Alex receives a note from a secret admirer. | A midnight vandal damages Max's entry in the town's "Most Beautiful Public Garden" project.

When an advanced computer is loaned to the school, mysterious cyber events happen. | Addison must decipher a lost parrot's clues to find its owner.

Addison and Alex make a documentary. | Addison must solve a series of strange thefts, and figure out why the clues point to her mom!