Two families battle it out in a range of games. Hope's team from north London go up against Kiera's team from Stockport for a chance to get to the Ball Room. Show more

Wacky dog training talent show. In the final episode of the series, there is one more chance to see all the utterly incredible dog stunts from earlier episodes. Show more

Fun science for preschoolers. Matthew asks Nina how to make his tent warm. With the help of the neurons, they discover the best ways to keep cosy.

Show for pre-school children. Nina helps Gabrielle to make a birthday cake, but they are missing a vital ingredient to make sure their baking rises to the occasion. Show more

Wacky dog training talent show. Zak picks three talented young dog trainers from all around the UK to learn a totally cool stunt - skipping! Show more

Nina looks at different household inventions and finds out how they work. Daniel, Kevin and Mansi ask Nina to find out how binoculars make far away things look closer. Show more

Fun science for preschoolers. Millie wants to find out why people need to eat, so Nina takes her and her friend shopping and then to her lab.

Fun science for pre-schoolers with Nina. Tyla asks Nina why slugs live in gardens. With some help from Felix and the other Neurons, they do some experimenting.

Nina looks at different household inventions and finds out how they work. Friends Tyrese, Timothy and Thomas cycle in to Nina's workshop to ask: How does my bike work? Show more

Wacky dog training talent show. Zak picks three talented young dog trainers from all around the UK to learn a totally cool stunt - weight pulling! Show more

Nina looks at different household inventions and finds out how they work. Friends Robyn, Nadine and Caoimhe ask Nina how vacuum cleaners suck up dirt from the floor. Show more

Nina looks at different household inventions and finds out how they work. Nina finds out all about springs and shows us how to invent our very own spring-filled mattress. Show more

Nina looks at different household inventions and finds out how they work. Nina asks lovely Luke, the sight neuron, to help find out how pens work. Show more

Nina looks at different household inventions and finds out how they work. Here, she asks sound neuron, beautiful Belle, to help her find out how speakers work. Show more

Nina looks at different household inventions and finds out how they work. She asks Luke to help her explain what's inside a television and how the pictures appear. Show more

Alex Riley takes two young rookies into the workplace. Louis and Jess enter the high-pressure world of professional cooking. Show more

Alex Riley takes two young rookies into the workplace. Jack and Meg find out what it takes to make it as authors and work on creating their very own books. Show more

Alex Riley takes two young rookies into the workplace. Aspiring young medics Rayaan and Lubna delve into the world of medicine and learn all about life as a GP. Show more

Alex Riley takes two young rookies into the workplace. Honey and Leon get an out-of-this-world experience when they work with space scientists. Show more

Alex Riley takes two young rookies into the workplace. Freya and Chitua visit a professional football club where they are put through their paces by the coaches. Show more