A) A scarecrow is alive and is looking for his favorite food, human brains, he ate a few and turned those people into zombies. Someone has to stop him before he eats everyones brain, but who will stop him? B) Mona got a new babysitter, who happens to be also Angela's babysitter. Mona knows that no human can stand Angela and suspects that her new babysitter might be a monster or an alien. Later she discovers that Belinda is a robot under Angela's control.

A) A mysterious exchange student, Cedric, comes to Mona's school. Where is he from? What does he want? Is he friendly? B) Lily loves The Red Moon Monsters movies and her knowledge about them will be very useful in this new adventure.

A) There's a new girl at Mona's school, she is a vampire hunter and befriends Angela. Angela tells her that Mona is an evil vampire and she decides to hunt her and make her loose her powers. B) Charley falls in love with a Lucy Lanning. Lily and Mona suspect that she's a siren and that Charley is under her spell.

A) A skeleton cowboy runs amok stealing stuff, what exactly does he wants? There's only one answer: Revenge! B) Men in Dark Suits? What are they doing here? They are aliens trying to wash everyone's brain and decide to begin at Mona's school.

A) Charley accidently sets Von Kreepsula, Mona's #1 archenemy, free from his comic book. Mona and Charley will have to stop him before it's too late. B) Charley got a new computer game, ""Starclangers IV"", eversince he's been acting weird, gets late to school and doesn't gets much sleep. After a while the game becomes everyone's favorite, even Mona's parents' and Mr. Shawbly's. Mona and Lily discover that the game has a virus that infects people's brains, they have to go inside the game and destroy the virus to save their friend and the whole city.

A) A whirling void is steeling things from people, even Mona's favorite towel. The gang has to stop him and get back everyone's stuff. B) Small and cute little garden gnomes, huh? This ones just came alive! Hundreds of years ago the Druids put a spell on the gnomes, now the spell is broken and the gnomes are planing to move to Alaska.

A) Fang got fleas! But the worst is that the fleas made a circus at Mona's house! B) Mr. Shawbly is running faster than before, he can run freely and... he doesn't has a shadow. How will Mona and the gang reunite Mr. Shawbly with his shadow?

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A) Mrs. Bryerson poodle disappeared, Mona and Lily think that he became a ghost and that the Phantom Dog Catcher caught him. They have to look for him and bring him back home safe. B) Mona made a Frankensteinorsaurus, following the instructions on a comic book, for her science proyect. She added everything that it needed to become real. Angela and George try to destroy Mona's dinosaur, but their plan backfires when the dinosaur comes alive and eats them (Luckily it didn't had a digestive system).

A) Mona took her journal to school for a 'Show and Tell', unfortunately Angela takes it from her and sets many of Mona's old enemies free. They have to get all those gnasty little monsters back into the book. B) Sam and Ella come to Mona's school as the new cookers, but their real purpouse is to contaminate the food with salmonella. Yuck! Shawbly eats some contaminated food and the gang has to save him.

A) Miss. Gotto fell in love with a doctor and begans to act very weird, she has a new 'look' and a new attitude. Mona discovers that Miss. Gotto's new boyfriend is actually the dastardly Dr. Voodoo, he stole Miss. Gotto's heart and now she is under his evil spell. B) At the Laundry, Mrs. Bryerson saw a dancing underpant and everyone thinks that she is crazy, everyone but Mona, Fangs, Charley and Lily, now, they have to stop the Dancing Underpants Ghoulie and prove that Mrs. Bryerson isn't crazy. Mona determines that the Dancing Underpants Ghoulie is none other than the old owner of the laundromat, Mr. Clarkson, some fifty years after his demise.

A) Charley, Lily and Mona heard a strange cry near the swamp, the Reverend also heard it and is trying to take a picture of whatever makes that sound. B) Miss. Gotto bought a house, but there's something she doesn't knows... the house is haunted!

A) Charley's idol, the Man With Nine Lives, is in town, unfortunately a very small demon, the Mechanical Mayhem Gremlin, is causing mechanical accidents and Charley's super hero is in danger. Mona tries to find a way to destroy the Gremlin on the internet, but when she's about to find it the demon damages her computer. B) We know that vegetables are evil but now they are twice evil because they are MUTANTS! How will the gang stop them? Should they eat them? Yuck!

A) Miss Gotto falls in love with a Herb Crofton, a visiting entomologist that unfortunately is a human insect! She doesn't knows it, only Mona, Charley and Lily know his secret. B) The mannequins of St. Faith's fashion store, come alive and walk around the city pretending to be normal people. They just want to be free, can someone understand them? Meanwhile, Angela makes fun of Mona's clothes but at the end Mona's clothes wins a fashion contest.

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A) Mona and the gang go to a school trip to the woods. But extrange things begin to happen when Angela takes something that doesn't belongs to her. B) Charley's biggest fear, the Bogeyman, is back! Mona and the rest of the gang will have to help him to defeat fear. Soon they discover the cause of the Bogeyman's grumpiness.

A) The kids visit the Museum and see an Egyptian Mummy, somehow it comes to live and walks around freely. The gang has to stop it before it is too late! B) Everyone makes fun of Mona's snowman, Freaky. Now Freaky, tired of it, is ready to take revenge.

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.

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A) The town is completely empty, only Mona, Charley and Lily are left, but where is everyone else? Peering through a basement window one night, Mona spies Mr. Williams bent over a miniature replica of the town complete with little lights, little cars... and little people! B) Mona accidentally enters into a mirror and discovers a new world, very similar to ours, but with the difference that good guys are bad and bad guys are good.

A) When Mona was a little girl she used to have a cute little frog, one day it got lost and so did her vampire towel. Years later, Mona and her parents have problems with their bathroom and they might have to move unless they find what's causing the problem. B) Mr. Shawbly has been acting very weird lately, Mona, Lily and Charley believe that he is a werewolf.

A) Angela says that she has a genie in a shampoo bottle. Accidently Angela's mom gives Angela's bottle for a garage sale organized by Miss. Gotto. Mona, Charley and Lily buy the bottle and discover that it really has a genie inside, but an evil one. B) Angela's dolls come alive! They are playing tricks on everyone and distroying everything. Someone has to stop them!

A) Everything that the Fortune Cookies say is coming true! Mona has to find a way to stop it. B) Lily is working for Angela?? What's going on here? I smell something fishy... and it isn't Fang's breath.

A) A new gym opened in Mona's city and the manager is Bruce, a guy from Australia. Everyone, but Mona, Charley and Lily, begins to do exercise at the gym. Mona notest that everyone is very tired, then realizes that the Billabong Bunyip, a creature from Australia, is sucking everyones energy. B) Miss. Gotto is sick and the kids get a substitute teacher. Soon all their teachers are sick too and the kids keep on getting new substitute teachers, but are they twins or what? Every substitute teacher is just like the other. Mona, Charley and Lily discover that the teachers are aliens and now they have to stop them.

A) Mona's cousin, Dottie, is taking dance classes. Even though she's a very good dancer, lately, she's been doing terrible, what going on with her? It turns out Dottie has been hexed by none other than her own dance teacher, Madame Sosa. B) Angela got a new parrot, a very talkative one. Mona, Charley and Lily discover that he is not a real parrot, he is a magician's apprentice that years ago had a fight against another magician, he got turned into a parrot and kept in this form until nowdays. Mona has to find a magic wand to transform him into a real kid again.