Hand Dryer and Toilet Roll. Maddie learns how hand dryers work and films water being blasted off her hands in slow-motion. She also goes to a factory to see toilet paper being made. [S]
Playground and Plant Pot. At a playground, Maddie learns how swings and slides work, then she visits a plant pot factory to see how pots are made by mixing clay and shale. [S]
Traffic Lights and Emergency Lights. Maddie learns how traffic lights help vehicles travel safely through road junctions, then visits a factory making emergency warning lights. [S]
Cake and Soft Play. Maddie is getting ready for a party. She uses a special camera and animation to find out how cake ingredients work together to make cake sponges rise in the oven. [S]
Zips and Screen Printing. Maddie uses a microscope camera to look at the zip on her hoodie and visits a workshop to see how a dinosaur picture is screen printed onto a t-shirt. [S]
Car Brakes and Car. Maddie goes for a drive in the car. She uses a special microscope camera to find out how car brakes work and visits a factory to see how a car is made. [S]
Escalator and Wheelbarrow. Maddie is at a shopping centre. She uses special cameras to find out how an escalator works to move people from one floor to another. [S]
Magnets and Teddy Bears. Maddie is looking at toys. She uses a special camera to find out how the magnets on a train set work and visits a factory to see how teddy bears are made. [S]
Eggs and Bread. Maddie is making breakfast. She visits a farm to see where eggs come from and uses a thermal imaging camera to show why eggs change colour when they're cooked. [S]
Dishwasher and Table. Maddie uses a special waterproof camera to see how the dishwasher works to clean dirty dishes. She visits a sustainable forest to see where wood comes from. [S]
Bus Ramp and Roads. Maddie is out and about exploring different ways to travel. She uses a special camera to find out how a bus ramp works to help people get on and off the bus. [S]
Piano and Drums. Maddie looks at musical instruments. She uses a special slow-motion camera to find out how a piano works and how the keys are attached to levers and hammers. [S]
Lock & Key and Glass. Maddie uses a special camera and animation to see how a key works inside a lock and shows how the hidden barrel and pins allow the matching key to unlock it. [S]
Toilet Flush and Toilet. Maddie is in the bathroom. She uses a special underwater camera to find out how a toilet flush works and why it makes a gurgling sound. [S]
Helicopter Rotor and Tricycle. Maddie is out and about exploring different ways to travel. She visits an airfield and a workshop to see how a tricycle is constructed. [S]
Popcorn and Pasta. Maddie explores some favourite foods. She visits a pasta factory to see how flour is mixed with water and turned into pasta dough. [S]
Water Park and Ice Cream. Maddie goes for a fun day out. She visits an indoor water park and uses a special waterproof camera and animation to show how a water slide works. [S]
Hot Water and Toothpaste. Maddie is preparing for bath time. She uses a special thermal-imaging camera to find out how the hot water system in a house works. [S]
Blood Pressure Monitor and Cast. Maddie visits a hospital. She finds out how a blood pressure monitor works and visits the plaster room to see how a cast is made. [S]
Boat Propeller and Hot-Air Balloon. Maddie explores different ways to travel. She sees a boat propeller in action and visits a factory to see how a hot-air balloon is made. [S]
Cat Flap and Woolly Hat. Maddie meets furry friends. She uses special cameras to learn how a digital cat flap works and visits a farm to see how a fleece is sheared from a sheep. [S]
Bike Chain and Tennis Ball. Maddie uses a special camera to find out how the chain on a bicycle works and visits a factory to see how rubber is made into tennis balls. [S]
Bin Lorry and Newspaper. Maddie does the recycling. She uses a special camera to find out how a bin lorry works and sees how old paper is recycled into newspapers. [S]
Fizzy Water and Yoghurt. Maddie looks at food and drink. She finds out how bubbles get inside a bottle of fizzy water and sees how a factory turns milk into yogurt. [S,SL]
Fire Engine Hose and Reflective Strips. Maddie looks at the emergency services. She finds out how a fire engine hose works and sees how a police car uses special reflective stickers. [S]
Hamster Wheel and Insect Hotel. Maddie visits a pet shop and uses a night-vision camera to find out how a hamster wheel works and visits a factory to see how an insect hotel is made. [S]