Numberblocks: Season 4 (Series 4)
This season started on June 10, 2019. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|
| 1 | Fifteen's Minute of Fame | |
| 2 | On Your Head | |
| 3 | Ten's Place · 5 min | |
| 4 | Balancing Bridge · 5 min | |
| 5 | Sixteen · 5 min | |
| 6 | Square Club | |
| 7 | Seventeen | |
| 8 | Eighteen | |
| 9 | Loop the Loop | |
| 10 | Nineteen | |
| 11 | Twenty | |
| 12 | Tall Stories | |
| 13 | Flights of Fancy | |
| 14 | I Can Count to Twenty | |
| 15 | Heist | |
| 16 | Sign of the Times | |
| 17 | Fun Times Fair | |
| 18 | The Lair of Shares | |
| 19 | Terrible Twosday | |
| 20 | Divide and Drive | |
| 21 | Twenty-One and On | |
| 22 | We're Going on a Square Hunt | |
| 23 | Thirty's Big Top | |
| 24 | Land of the Giants | |
| 25 | Fifty | |
| 26 | Sixty's High Score | |
| 27 | The Big One | |
| 28 | One Hundred | |
| 29 | One Thousand and One | |
| 30 | More to Explore | |
