Catch up TV
Series 1: 10. 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. She then goes underneath the swimming pool to see what happens inside the pump room to pump the water to the top of the slide. Next, Maddie visits a factory to see how ice cream cones are made from a type of batter and how special hot plates are used to create the criss-cross waffle pattern.
Source: CBeebies
Most recent episodes of Do You Know?
Do You Know?
Maddie's Do You Know: At Christmas: 1. Reindeer And Christmas Decorations
Maddie goes on a Christmas adventure as she meets Santa's favourite helper, the reindeer, and discovers how Christmas decorations are made. She learns how reindeer keep warm in ...
10-12-2025
CBeebies
Do You Know?
Series 3: 20. X-ray And Sock
In today’s episode, Maddie explores how our body works. She visits a children’s hospital to find out what happens when we have an X-ray. She meets James, who has bro ...
07-12-2025
CBeebies
Do You Know?
Series 3: 19. Library And Book
In this episode, Maddie find out about books! First, she visits a library to learn how all the different types of books are stored in different sections. Then she uses her speci ...
06-12-2025
CBeebies
Do You Know?
Series 3: 18. Waves And Ice Cream
Today, Maddie is having fun by the beach! She finds out how waves are formed far out to sea when the wind blows and how some of them are made by the tides. She visits a surfing ...
30-11-2025
CBeebies
Do You Know?
Series 3: 17. Lighthouse And Bathbomb
Maddie is at the coast! She visits a red and white striped lighthouse and meets the lighthouse keeper right at the top. She goes inside to where the bulb is kept and finds out h ...
29-11-2025
CBeebies
Do You Know?
Series 3: 16. Metal Recycling Centre And Road Sign
Today Maddie is learning about metal, and how it can be recycled and used again. Maddie visits a recycling centre where they recycle metal from old cars. She uses her special ca ...
23-11-2025
CBeebies
Do You Know?
Series 3: 15. Clouds & Rain And Radiator
In today’s episode, Maddie is finding out about the weather. She discovers why we have clouds and rain and how the water cycle works. We learn there are lots of different ...
22-11-2025
CBeebies
Do You Know?
Series 3: 14. Digestion And Meringue
Maddie learns what happens to food in our bodies when we eat it and why it’s important to eat a variety of different foods from different food groups. We find out which fo ...
16-11-2025
CBeebies
Do You Know?
Series 3: 13. Beehive And Mug
Maddie visits beehives on the roof of a building in the city. She finds out how honey bees make honey in the hive. Maddie puts on a special beekeeping suit before the beekeeper ...
15-11-2025
CBeebies
Do You Know?
Series 3: 12. Bowling Alley And Ribbon
Maddie heads to a bowling alley to find out how it works. She takes her special cameras and looks behind the lane to see where the pins end up and how they get put back in the r ...
09-11-2025
CBeebies
Most popular episodes of Do You Know?
Do You Know?
Series 1: 10. 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. She then goes underneath the s ...
25-07-2025
CBeebies
Do You Know?
Series 1: 11. Popcorn And Pasta
Maddie explores some favourite foods. She uses a special slow-motion camera to find out why popcorn pops. An animation shows what popcorn is made of and how a water droplet hidd ...
17-07-2025
CBeebies
Do You Know?
Series 4: 5. Drinking Water And Carrot
In this episode, Maddie visits a reservoir that collects water from our homes, natural springs and the rain. She heads to a draw-off tower, which takes water from the reservoir ...
11-04-2025
CBeebies
Do You Know?
Series 2: 7. Canal Lock And Gate
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. Maddie jumps abo ...
18-08-2025
CBeebies
Do You Know?
Series 1: 7. Boat Propeller And Hot-air Balloon
Maddie is out and about exploring different ways to travel. She uses a special underwater camera to see a boat propeller in action and an animation reveals how the propeller pus ...
11-07-2025
CBeebies
Do You Know?
Series 2: 12. Traffic Lights And Emergency Lights
In today's episode, Maddie is looking at useful lights. She shows us how traffic lights work so that vehicles can travel safely through a road junction. She visits a traffic con ...
25-08-2025
CBeebies
Do You Know?
Series 3: 9. Hearing Aid And Whistle
In today’s episode Maddie is listening for sounds. First, she discovers how wearing a hearing aid can help us hear more clearly. She meets 7 year old Zara who uses a heari ...
01-11-2025
CBeebies
Do You Know?
Series 2: 8. Train Tracks And Paint
In today's episode, Maddie is at a train museum finding out how signal boxes work and how trains are moved from one track to another to get to the right place. Maddie puts her s ...
19-08-2025
CBeebies
Do You Know?
Series 1: 6. Cat Flap And Woolly Hat
Maddie meets some furry friends. She uses special cameras to find out how a digital cat flap works and how a tiny microchip unlocks the cat flap so the cats can go in and out of ...
10-07-2025
CBeebies
Do You Know?
Series 3: 4. Day And Night And Solar Panel
Maddie explains how the Sun doesn’t move when we go from day to night, but how it’s the Earth turning on its axis that makes the sun appear in the morning and go awa ...
12-10-2025
CBeebies