Yummble takes a book from the library without asking and learns a valuable lesson about borrowing.

The class write letters to one another, but chaos descends when they get delivered to the wrong monsters! Can Wingston solve the postbox puzzle?

The monsters meet some animals from the local petting zoo, but Icklewoo is scared of her curious creature. Can she overcome her fear and make a new friend?

Mr Marrow loses the only key to the school whilst in charge of Breakfast Club. Can the monsters find it before school starts?

The monsters create fake news when they make a school newspaper.

The monsters care for the school pet, Ringo the beetle.

The monsters celebrate Founders’ Day, but Icklewoo doesn’t know how she can take part.

Wufflebump is determined to put on the best puppet show ever, and he wants everything to be perfect.

Wingston unleashes a computer bug on the monsters' computers because he's not listening.

Miss Grizzlesniff makes a pretend town and teaches the monsters about jobs. Meepa can’t find one that suits.

Yummble is growing a grumble plant, but gives it something unhealthy to eat and it takes over the classroom.

Wufflebump has sharing issues when the monsters have an egg hunt.

Wingston is convinced there are gremlins in the pumpkin patch, but no-one believes him.

Icklewoo and Meepa run a Fizzledrink stand together, but Meepa takes all the credit.

The monsters build bird feeders and get a visit from a troublesome giant bird.

Miss Grizzlesniff takes the monsters to a cave to practise their roars.

In a race to be the best, Wufflebump keeps pushing in to get what he wants.

The monsters have to use their imaginations when Miss Grizzlesniff gives them a cardboard box to play with.

Yummble teases Wingston when he wears his favourite pair of glasses to school.

Yummble gets jealous when Meepa and Wingston visit Miss Sneezle, the school nurse.

During a thundery day at school, the monsters discover Meepa is scared of storms. Can they help her conquer her fear using music, drawing and play?

Wufflebump adds too much volcano powder to his snuffle cakes, turning them hot, hot, hot! How can he win the class bake off?

Icklewoo is fed up being called a little monster, so she pretends to be a big monster at school. But she soon learns being a grown-up isn’t as fun as she thought it would be.

The class have a special lesson from a very silly teacher, Mr Babblebeast. Can his clowning around really help them prepare for their B.A.T.S. tests?

The monsters have to bring in something interesting from home to show the class. Wingston can’t think of anything special, so he asks his Granny for help.

The school is thrown into Christmas chaos when Frosty Claws gets stuck in a snow drift and cannot deliver his presents to the little monsters. Can Miss Grizzlesniff step in and save the day?

Inspired by Miss Grizzlesniff’s trip to the ‘Mushy Mara’, the monsters go on a safari in the nature garden. But when Meepa decides to carry on the safari at home, she discovers some wildlife of a very different kind.

At Miss Grizzlesniff’s Happy Holiday Club, the monsters learn to make fire, shelter and gloop twists. But buzzy flies, prickle bushes and rain put things in a muddle.

Yummble is making a circus, but his friends don’t want to perform. Can he get them to use their special monster skills to create the greatest show in class?

When Wufflebump becomes the school 'number wizard', he causes counting chaos. Can he put things right and help the class sing their number song?