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Do You Know? Season 2 Episodes

25 Episodes 2018 - 2018

Episode 1

Shipping Container and Bubble Packaging

15 mins

In today's episode Maddie is on the move! She finds out how things that we use every day are brought to us on big ships and moved around the country in shipping containers on trains.

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Episode 2

Umbrella and Carwash

15 mins

Maddie takes a car through an automatic car wash to find out how the computer uses sensors to tell the robotic car wash how to wash the car. Next, Maddie heads to an umbrella factory to see how umbrellas are made using waterproof material.

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Episode 3

Ice Rink and Bouncy Castle

15 mins

Maddie is having a fun day out. She uses a special thermal camera at an ice rink to find out how runny water freezes to make the solid ice we can skate on.

Where to Watch

Episode 4

Clock and Cutlery

14 mins

Maddie is finding out how clocks tell the time. She heads to a clock factory and uses a special time-lapse camera to show how the hands on the clock move around. Maddie looks inside a battery powered clock.

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Episode 5

Opticians and Glasses

15 mins

Maddie is finding out how wearing glasses help us to see more clearly. She starts at an Opticians to see how an eye test works by having one herself.

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Episode 6

Sleeping Bag and Mattress

15 mins

It's bedtime and Maddie is finding out about different things we sleep on and in! At a campsite she uses a special thermal camera to show how the layers in a sleeping bag work by trapping warm air inside to keep us warm.

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Episode 7

Canal Lock and Gate

15 mins

In today's episode Maddie is finding out about different gates that open and close. She visits a canal lock to find out how canal boats travel up and down hill.

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Episode 8

Train Tracks and Paint

14 mins

In today's episode, Maddie is at a train museum finding out how train tracks work to move trains from one track to another to get to the right place and to see how the signal box works.

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Episode 9

Handwash and Vacuum

15 mins

In today's episode, Maddie is cleaning up. She visits a factory where hand wash is made and uses her special camera to see inside a big vat to see the colour being mixed.

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Episode 10

Lifeboat and Concrete

15 mins

Today, Maddie is learning about helpful vehicles. Maddie gets on board a training rescue mission with a lifeboat team to find out how the equipment on a life boat works.

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Episode 11

Aeroplane and Trainers

15 mins

Maddie is on the move. She gets on board an aeroplane and shows us all the buttons inside a real cockpit and how they work. Then she sits alongside Bridget, a pilot, in a flight simulator.

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Episode 12

Traffic Lights and Emergency Lights

14 mins

In today's episode, Maddie is looking at useful lights. She shows us how traffic lights work so that vehicles can safely travel through a road junction.

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Episode 13

Hairclippers and Ballet Shoes

15 mins

Today, Maddie is dressing up! She visits a barbers to find out how how clippers work to cut hair. Using a special microscope camera, Maddie shows us how the blades work.

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Episode 14

Playground and Plant Pot

15 mins

In today's episode, Maddie is having fun outdoors. First, she's in a playground learning how we keep swinging on a swing, and how gravity helps us slide down a slide.

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Episode 15

Disco Ball and Jigsaw Puzzle

14 mins

In today's episode, Maddie is having fun. She takes to the dance floor to show us how a disco ball works. We learn how light is reflected in lots of different ways.

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Episode 16

Posting a Letter and Colouring Pencils

15 mins

Maddie is sending a letter in the post to the CBeebies House. She finds out how posting a letter works as she follows the letter's journey.

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Episode 17

Bubbles and Chocolate

15 mins

In today's episode, Maddie is having a party! She finds out how bubbles work when we blow into bubble mixture. She shows us how the surface tension of water changes when we add soap.

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Episode 18

Lift and Spacesuit

15 mins

In today's episode, Maddie is finding out about things that go up and down. She shows us how a lift works, when it carries people up and down, between floors of a building.

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Episode 19

Television and Carpet

14 mins

In today's episode, Maddie is relaxing at home, playing games and watching television. She shows us how a television screen works using millions of tiny squares called pixels.

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Episode 20

Kite and Wind Turbine

15 mins

In today's episode, Maddie is outdoors finding out about things that use the wind. She finds out how a kite works when it flies high in the sky and uses a special device to measure the wind speed.

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Episode 21

Fish Tank and Bath

14 mins

In today's episode, Maddie finds out about things that use water. She visits an aquatic centre to show us how a fish tank works.

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Episode 22

Hand Dryer and Toilet Roll

15 mins

In today's episode, Maddie is looking at things we use when we go to the toilet. She visits a factory to see how hand dryers work.

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Episode 23

Prosthetic Limb and Detection Dog

15 mins

In today's episode, Maddie is looking at the way things are made or trained to help us. First, she meets 7 years old Anu who uses a prosthetic leg, before visiting a workshop where prosthetic limbs are made.

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Episode 24

Barcode and Fish Cake

14 mins

In today's episode, Maddie is visiting a supermarket. She finds out what barcodes are and how they work. At the checkout, we learn how an infra-red scanner reads a barcode to find out what items we are buying.

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Episode 25

Refrigerator and Mushrooms

15 mins

In today's episode, Maddie is at home to show us how a refrigerator works. Maddie explains how the pump and the long pipes inside a fridge change a cooling liquid into a gas to help the food inside stay cold.

Where to Watch