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Triangles

Episode number: 1

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

Pointy Roofs

Episode number: 2

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

Piers

Episode number: 3

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

Nests

Episode number: 4

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

Houses

Episode number: 5

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

Windmills

Episode number: 6

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

Beaver Dams

Episode number: 7

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

Skyscrapers

Episode number: 8

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

Bridges

Episode number: 9

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

Demolition

Episode number: 10

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

Floating Houses

Episode number: 11

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

Rollercoasters

Episode number: 12

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

Arches

Episode number: 13

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

Lighthouses

Episode number: 14

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

Living Underground

Episode number: 15

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

Living Underwater

Episode number: 16

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

Igloos

Episode number: 17

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

Spiders' Webs

Episode number: 18

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

Domes

Episode number: 19

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

Amphitheatres

Episode number: 20

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