As Nate shows Malika the watch he got for his birthday, he drops it down a sewer grate! The kids head into the sewers to get it back, but it's been picked up by a goblin.

The way to school is blocked by a construction site. Nate and Malika decide to go through it to save time, but they end up in the ruins of an ancient Roman amphitheatre.

Nate has forgotten to take care of the class' carnivorous plant over the weekend. He and Malika try to restore the plant's luster but it turns it into a giant monster!

Nate and Malika notice some burnt bushes, leading them to a baby dragon! It looks like his mother abandoned him, so Nate decides to adopt him - but raising a dragon is not easy!

Professor Toybos is putting his latest invention in the bin. It's a shrink ray, but it doesn't work... Nate plays with the controls and accidentally gets him and Malika shrunk.

On the way to school, Nate and Malika bump into a strange man who claims to be an undercover secret agent.

Nate and Malika meet a leprechaun in the park. His name is Shaun and he's lost his pot of gold. Nate and Malika must help Shaun to find it or he will be turned to stone.

Nate and Malika are offered a free ride on a ghost train which turns out to be a cover to train young monsters.

Melanie gives Nate and Malika a letter to be delivered to an old mansion. The mailbox is full, so our heroes enter the house to give the letter to the resident in person.

On the way to school, Nate and Malika meet Gideon, a young man turned into a frog by a witch. Nate tries kissing him to reverse the curse, but it transforms him too!

Nate accidentally drops his biscuit packet in the park’s lake. As he goes to get it, he hears a beautiful song coming from the waters… and falls in the lake!

Nate accidentally drops his biscuit packet in the park’s lake. As he goes to get it, he hears a beautiful song coming from the waters… and falls in the lake!

Melanie the mailwoman entrusts Nate and Malika with a parcel to deliver. Nate discovers it contains an oil lamp. He rubs it and a genie comes out, ready to grant Nate three wishes

Nate accidentally drops his biscuit packet in the park’s lake. As he goes to get it, he hears a beautiful song coming from the waters… and falls in the lake!

On the way to school, Nate and Malika meet Winkle, a sixth century sorcerer's apprentice who has accidentally sent himself into the 21st century.

Nate accidentally drops his biscuit packet in the park’s lake. As he goes to get it, he hears a beautiful song coming from the waters… and falls in the lake!

Nate and Malika are attacked by little gooey creatures. Luckily, Miracle Girl saves them. But the attack was a trap devised by her nemesis, Gigantix, to catch her.

A spaceship lands in the park! Nate and Malika meet Zediak, an alien who is running away from space pirates. Nate and Malika want to help him, until they learn Zediak's real story.

Nate and Malika meet Elvex, Professor Toybos' robot assistant. Elvex has rebelled against the professor and plans to take control of all the electrical devices in town.

It’s almost Christmas, and Nate and Malika meet Santa Claus in the park. He lost his favourite reindeer as he was taking him for a test ride. It turns out the reindeer has been kidnapped.

Nate’s parents give him his great-grandfather’s watch to help him be on time. As he shows it to Malika, Nate activates a mysterious mechanism that traps them in a time loop.

Nate and Malika discover that some of the people they see every morning are actually cyborgs with a human appearance.

Nate and Malika sneak into a museum so they can have a private viewing of the mummy of an ancient Egyptian girl-queen.

A small shooting star crash lands in front of Nate and Malika. She is being chased by another star who wants to absorb her light.

When Nate and Malika visit a new sweet shop, Nate is so delighted by the sweets that he wants to know how the shopkeeper made them.

Nate and Malika find Violet weeping next to an old tree that's going to be cut down. They discover there's a world inside the tree and must help save it.

Nate and Malika meet a construction worker who gives Nate a magical lucky ring. As soon as he puts the ring on, Nate has incredibly good luck!

When Nate and Malika notice the faun statue in the park is missing, they follow hoof prints into a clearing where a bunch of fauns are having a giant party!

Nate and Malika meet Jin, a ninja who offers to train them. In order to become a master, he needs to prove he has students. Curious to see a real secret dojo, the kids agree.

A storm strikes the neighbourhood and Nate and Malika discover its cause: the Greek gods Zeus and Poseidon are arguing over who deserves to rule over Mount Olympus.

Nate and Malika are surprised to come across Mrs Rainfort, Maurice and Violette all in bad moods. What could be bothering everyone?

On the way to school, Nate and Malika save a talking Gingerbread Man from a cat. But the little biscuit boy isn't very grateful.

Nate and Malika meet a girl named Oona who is from the Stone Age! Oona accidentally slipped into our time period through a portal opened by Professor Toybos.

Cosmo gets rid of his old photography equipment. Nate recovers an antique camera fitted with an enormous flash!

A huge beast has ransacked Cosmo's kiosk. Nate and Malika investigate and find out the beast is actually a young woman who happens to be a werewolf

Nate and Malika come across a pair of gremlins who are planning a prank that will engulf the city in sewage. Our heroes must turn the tables on the pranksters to save the city.

Professor Toybos invents a spray that turns animals into dinosaurs. Nate accidentally squirts Maurice with the dinosaur DNA, turning the boy into a T-Rex.

Malika's favourite singer is doing a charity concert in the park, but his voice is stolen. When Nate confronts him, his own voice is replaced by chicken sounds.

Nate finds a snow globe containing a fairy figurine. He accidentally breaks the snow globe and frees the fairy, who starts to turn everyone into ice statues!

Nate and Malika discover that a unicorn living in the park is able to control minds with his horn, so uses it on Nate and Malika to make them do his bidding.

It's the last day of school and our heroes make a point of arriving on time. Prudence can't believe it, but then she's sucked up by a tractor beam.

Earth is about to be invaded by aliens through an intergalactic portal! Can our heroes defeat them?