Do You Know? — Season 3, episode 21 watch online

Episodes — Season 3

1. 1 Episode 1 «Skyscraper and Flying Bird» April 29, 2019
2. 2 Episode 2 «Plant and Compost» April 30, 2019
3. 3 Episode 3 «Car Engine and Car Transporter» May 1, 2019
4. 4 Episode 4 «Day and Night and Solar Panel» May 2, 2019
5. 5 Episode 5 «Singing and Trombone» May 3, 2019
6. 6 Episode 6 «Bridges and Playground Flooring» May 6, 2019
7. 7 Episode 7 «Butterfly and Wallpaper» May 7, 2019
8. 8 Episode 8 «Digger and Wellies» May 8, 2019
9. 9 Episode 9 «Hearing Aid and Whistle» May 9, 2019
10. 10 Episode 10 «Cricket Bat and Wind Up Toy» May 10, 2019
11. 11 Episode 11 «Cereal and Potato Harvester» May 13, 2019
12. 12 Episode 12 «Bowling Alley and Ribbon» May 14, 2019
13. 13 Episode 13 «Beehive and Mug» May 15, 2019
14. 14 Episode 14 «Digestion and Meringue» May 16, 2019
15. 15 Episode 15 «Clouds & Rain and Radiator» May 17, 2019
16. 16 Episode 16 «Metal Recycling Centre and Road Sign» September 9, 2019
17. 17 Episode 17 «Lighthouse and Bathbomb» September 10, 2019
18. 18 Episode 18 «Waves and Ice Cream» September 11, 2019
19. 19 Episode 19 «Library and Book» September 12, 2019
20. 20 Episode 20 «Washing Machine and Jeans» September 13, 2019
21. 21 Episode 21 «Tram and Map» September 16, 2019
22. 22 Episode 22 «Spider Web and Watering Can» September 17, 2019
23. 23 Episode 23 «Camera and Hair Brush» September 18, 2019
24. 24 Episode 24 «Sleep and Sofa» September 19, 2019
25. 25 Episode 25 «X-Ray and Sock» September 20, 2019