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.