Every time Justin and Little Monster sneeze something messy happens in Justin's House. Helped by a doctor download, Robert does his best to cure the pair of their Hottyspottyitis.

Special guests Chris and Pui join Justin and Robert for Little Monster's very messy birthday party.

When all the jobs in Justin's house get a bit much for Robert, Justin decides to help him out with a superturbo robot called Roberta.

Justin's house hosts the first ever Justinship Games, and Justin dreams of winning a gold medal.

Robert's favourite scientist, Nina, is coming to visit Justin's house. Before the visitor arrives, Justin the detective needs to detect where a mystery pong is coming from.

With the help of the noisy neighbour and a few other tricks, Robert and Little Monster concoct a plan to stop Justin selling his house.

Justin builds a time machine and transports everyone in Justin's House back in time. Look out for a few familiar looking ancestors along the way!

Despite his best efforts, Robert cannot get Justin's Cake-a-pulter 100,000 to work. This is a job for Roberta the superturbo robot - but only after Justin has treated her and Robert to a not so peaceful dinner in the house.

Chris and Pui want to put on a play in Justin Town and Justin's house is the perfect place to do it. Director Chris may have just the part for Justin who is keen to show off his acting skills.

A snow monster has been spotted up Monster Mountain. Justin decides to go exploring to try to spot the snow monster for himself.

The Wheely Good trophy is the star prize at the Justin Town Vehicle Show. Justin and Robert do their best to get Justin's car ready to be judged by the mystery star judge.

When the heating at the Justin Town Zoo breaks down all the animals need somewhere to stay for a day or two. Eager to help, Justin brings home some animals.

The race is on in Justin's house to fill the one remaining space in the Justin Town Space Mission. Only time will tell who will be the best astronaut for the job, man, robot or monster.

Justin's House opens its doors as a department store. Only time will tell if the first ever customer, Andy Day, will manage to buy any of the bargains on offer.

Special guest Mister Maker helps bring all the fun of the fair to Justin's house. Plus, a very cheeky little ghost is on the loose from the Ghost Train.

The first ever Justinbury Music Festival is taking place in Justin's house, so long as rock star Justin and his new band are ready in time to open.

Justin's House opens its doors as a hotel. Justin and Robert do their best to make the house look like a proper hotel while the first guest dozes upstairs.

There is a Grand Robot Ball in Justin Town, it's the perfect way for Robert to recharge his batteries. However, Robert can only go to the ball if he can find someone to look after Little Monster, and Justin.

Robert invents a dream machine to discover the funny thing that Justin is dreaming about.

Helped by a giant potato and Andy Day, Justin and Robert do their best to print the Justin Times.

When Little Monster's tooth falls out, everybody hopes the tooth fairy will visit Justin's house.

Justin hopes his attempt at home improvements will win Mister Maker's Makeover Challenge.

Things get very messy when Justin and Robert try to make Little Monster a gingerbread den.

This episode has no summary.

This episode has no summary.