Do You Know? — Season 2, episode 21 watch online

Episodes — Season 2

1. 1 Episode 1 «Shipping Container and Bubble Packaging» April 3, 2018
2. 2 Episode 2 «Umbrella and Carwash» April 4, 2018
3. 3 Episode 3 «Ice Rink and Bouncy Castle» April 5, 2018
4. 4 Episode 4 «Clock and Cutlery» April 6, 2018
5. 5 Episode 5 «Opticians and Glasses» April 9, 2018
6. 6 Episode 6 «Sleeping Bag and Mattress» April 10, 2018
7. 7 Episode 7 «Canal Lock and Gate» April 11, 2018
8. 8 Episode 8 «Train Tracks and Paint» April 12, 2018
9. 9 Episode 9 «Handwash and Vacuum» April 13, 2018
10. 10 Episode 10 «Lifeboat and Concrete» April 16, 2018
11. 11 Episode 11 «Aeroplane and Trainers» April 17, 2018
12. 12 Episode 12 «Traffic Lights and Emergency Lights» April 18, 2018
13. 13 Episode 13 «Hairclippers and Ballet Shoes» April 19, 2018
14. 14 Episode 14 «Playground and Plant Pots» April 20, 2018
15. 15 Episode 15 «Disco Ball and Jigsaw Puzzle» April 23, 2018
16. 16 Episode 16 «Posting a Letter and Colouring Pencils» September 10, 2018
17. 17 Episode 17 «Bubbles and Chocolate» September 11, 2018
18. 18 Episode 18 «Lift and Spacesuit» September 12, 2018
19. 19 Episode 19 «Television and Carpet» September 13, 2018
20. 20 Episode 20 «Kite and Wind Turbine» September 14, 2018
21. 21 Episode 21 «Fish Tank and Bath» September 17, 2018
22. 22 Episode 22 «Hand Dryer and Toilet Roll» September 18, 2018
23. 23 Episode 23 «Prosthetic Leg and Detection Dog» September 19, 2018
24. 24 Episode 24 «Barcode and Fish Cakes» September 20, 2018
25. 25 Episode 25 «Refrigerator and Mushroom» September 21, 2018