Nina and the team investigate teeth and how they help in daily life. Guest starring Harrie Jackson and others.

Nina investigates how space rockets work.

Nina and friends learn everything about the Grand Canyon.

Nina explores how sand dunes are made with the help of Felix.

Nina explores how people can live in space with the help of Bud.

Nina investigates how mountains were made, with the help of Luke.

The budding scientist explores volcanoes with her friends.

The scientist visits Giant's Causeway in Northern Ireland.

Nina investigates how many planets are in our solar system.

Nina investigates why rivers are wiggly.

Nina investigates how people on Earth find out about other planets.

Nina examines how cliffs were created.

Explorers Logan and Sophie find out why we have night and day.

Nina investigates how humans know about dinosaurs.

Nina investigates why humans live on planet Earth.

Nina investigates why rocks are stripy with the help of Luke.

Nina is taken to see Old Faithful in Yellowstone National Park.

Nina investigates whether Loch Ness has always looked the same.

Why does light from the sun only shines on one side of the moon?

Nina investigates how caves were formed.

Nina investigates what shooting stars are.

Nina and Olli investigate how coal is made.

Nina investigates how we know the Earth is round.

The explorers visit Death Valley in America.

Nina investigates why astronauts float in space.

Nina investigates how waterfalls are made.

Experimenters Charlotte and Lennon visit the Sir Chris Hoy Velodrome in Glasgow.

Experimenters Emily and Marzouq visit a curling rink and have a go at sliding themselves.

Experimenters Kingsley and Safiya do an experiment to see why goalkeepers are important.

Experimenters Amy and James visit a champion trampolinist to see him do some somersaults.

Experimenters Evie, Sonny and Will meet a para-climbing champion at a climbing wall.

Experimenters Eyeshah and Samiyah investigate why we get thirsty when we play sport.

Experimenters Adam, Maha and Rani investigate why we get out of breath when we play sport.

Experimenters Claire, Ken and Melisa meet a sprinter to see how she starts really quickly.

Experimenters Nina and Olivia meet some swimmers.

Experimenters Amna, Katie and Rachael meet a long jumper.

Experimenters Grace and Sultan meet a champion snooker player.

Experimenters Grace and Imogen meet a gymnast and find out why our knees are so special.

Experimenters Murray and Zak investigate how high divers hold their hands.

Experimenters Brandon and Ore meet cricketers to find out about catching and throwing.

Experimenters Connor and Sarah-Louise investigate what makes certain balls so bouncy.

Nina investigates how computers know what to do with the instructions given to them.

Nina investigates how the internet works with the help of her young experimenters.

Nina investigates what amazing things we'll have in the future.

Nina and her young experimenters investigate how 3D printers work.

Nina and her young experimenters investigate how computer animation looks so real.

Nina and her Experimenters show why the Eiffel Tower was built with lots of triangles.

Nina and her young Experimenters conduct an experiment on how roof tiles keep houses dry.

Nina and her young Experimenters conduct an experiment to explain why piers stay strong.

Nina and her young Experimenters explain how birds keep their eggs safe and warm.

Nina and her young Experimenters discover how builders make holes in walls for windows.

Experimenters Aaron and Sylvia visit Nina and discover what makes windmills' sails turn.

Experimenters Bethan, Corey and Rhianna see what happens when you build a dam in a stream.

Samuel and Sofia discover why skyscrapers need to be stronger the taller they are.

Alexander, Billie and Marianna visit Nina and discover what a cantilever is.

Andreea, Soham and Yusuf visit Nina and discover what happens when gas expands quickly.

Experimenters Poppy and Sugar visit Nina to find out how to build floating houses.

Experimenters Ben, Eryn and Kanie visit Nina to investigate how rollercoasters work.

Experimenters Dylan and Phoebe visit Nina to find out why people use arches in buildings.

Experimenters Livingstone and Oisin visit Nina to investigate how lighthouses are built.

Experimenters Taite and Taruni visit Nina to find out why some animals live underground.

Experimenters Lyla and Sandy find out if we could live in an underwater house.

Experimenters Ethan and Eva discover what the walls of an igloo are made from.

Experimenters Hugo and Ugochi visit Nina to investigate how a spider builds its web.

Experimenters Billy and Katy visit Nina to investigate how domes are built.

Experimenters Arnav and Ayomide visit Nina to investigate what an amphitheater is.