A) Dr. Java's coffee is causing strange reactions on people and even animals. Meanwhile Mr. Hyde remembers his brother and wish they could work together again.

B) The new librarian, Mrs. Dewey, is a real ogre, literally, and is giving Mona a really hard time.

A) Ever since Mona's dad got a part-time job and bought that horrible polyester suit he's been acting strange. Mona has to stop whatever is causing her dad to act that way. But what can she do if her opponent is invincible?

B) A creature is hiding and breaking objects at Mona's house. But what kind of creature? A racoon? Nah! That would be too obvious and so not Mona... Perhaps a troll...

A) A mysterious dummy is looking for his next victim, who will it be?

B) A vengeful limo is making everyone in town feel like a loser. But, why? Who drives it?

A) Objects disappear and strange things happen in Mona's town, why? Because it is part of the Columbus Triangle!

B) The new soccer coach, has big feets and is really furry... no wonder why, he's a Sasquatch!

A) Mona, Charley and Lily go to the movies to see a new Cyborg movie, unfortunately the Cyborg escapes from the film and causes havoc.

B) Mona explains the story of how she almost lost Fangs.

A) Heavy and horrid rains fall on town and everybody wants to get a suntan at the new center. The owner of the center is the Sun goddess and she wants everyone to workship her. Luckily the Moon goddess and her friends are always ready to save the day.

B) In a very hot day the kids investigate a mysterious disappearence, someone or something is drinking all the water.

A) A cauldron, a potion, two witches, three kids and lots of trouble.

B) Agatha Misty, a famous horror writer, needs the gang's help to escape from a Hexed Mansion.

A) Charley got a cool new weapon from his aunt, unfortunately it is cursed and a ninja's ghost bothers whoever uses the weapon.

B) There's a new kid at school, Hal T. Neander, and Angela likes him very much. But what she doesn't know is that he is a real prehistoric kid!

A) Mona's uncle sends her a Shaman statue. She decides to put it in the Botanical Gardens, mysteriously the plants around it grow really fast. The gang discovers that the Shaman plans to turn the garden into a wild jungle!

B) Charley joined the Boy Scouts, but the leader will do anything to win this year's cup, even take control over the kids minds! How will Mona and Lily be able to help Charley?

A) Mrs. Bryerson's daughter, Bernice, visits her and brings her baby with her. Mona and the gang notices that around the baby everybody acts like babies.

B) The trash collectors are on strike and they haven't collected people's trash for weeks. Funny and mysterios things happen as the gang tries to save the town.

A) A granite giant wants revenge! People steal rocks from his quarry and he is tired of it! Now is up to the gang to give turn this guy into dust.

B) Charley and Mona go to a Space Camp, Lily doesn't because his dad wants to take fishing. Charley and Mona get in serious trouble when they discover a big secret.

A) The gang discovers a bunch of weird and mysterious potatoes.

B) Mona's mom's aunt drops for a visit and Mona discovers that she is a monstrous Black Widow.