Wingston makes Icklewoo feel so sad she turns blue. The other monsters try to cheer her up, but they change colour too. Can Wingston say sorry and sort out the multicoloured mix up?

Yummble starts his own school club. At first, every monster is welcome, but then he changes the rules.

The nature garden is invaded by greedy monster slugs, who want to eat all the Frosty Bell flowers. Can the monsters encourage a Pricklepig to visit the garden and stop them?

When Yummble won’t tidy up, he turns into a messy monster and gets stuck in a pile of rubbish. Can Icklewoo rescue him before the Bin Bats arrive?

It’s Wingston's first time doing a hovering flap flutter, and he’s feeling a bit scared. Meepa helps him conquer his fears by telling the story of their first day at school.

The monsters are having fun swapping Foul Squad figures, until Wufflebump accidentally gives Meepa his rare Golden Dragonpuff. He begs her to give it back, but she won’t do swapsies!

When the monsters go on a school treasure trail, poor Wingston can’t solve any of the clues. But, when the trail gets in a tangle, it’s up to him to find the missing treasure. Show more

When Meepa’s drawing gets a gold star, she decides to help the other monsters with their pictures and causes a doodling disaster. Can she make amends and help the class create a monster masterpiece?

It’s slimy season, but Wufflebump won’t wear his wet gear. He thinks he knows best, until he gets caught in a downpour and catches the ‘slimy sneezies’.

When Yummble becomes 'Slimeboy', the superhelpful superhero, his silly antics cause his friends to get stuck in a puddle. Show more

Icklewoo accidentally creates a strange type of ‘super goo’ and uses it to build a gallery of monster-sized models. But, as Miss Grizzlesniff shows them to Mrs Twirlyhorn, the models start to melt.

When Growly’s Comet flies over the school, Meepa decides to film it. But she gets so distracted playing with the camera, she misses the moment. Can the other monsters show her what she missed?

Wingston isn’t happy when Miss Grizzlesniff comes to look after him. But he soon learns that teachers can be just as fun at home as they are at school.
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The monsters get lost on a school trip to the swamp. Can they use their knowledge of nature to find their way back to the bus before daddy gets stuck in the mud?

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

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

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?

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.