| 21 | The Block AU Season 21 Episode 50 – Auction | | 17 | 11 months |
| The Block AU Season 21 Episode 49 – Front Yard Reveal | | 16 | 11 months |
| The Block AU Season 21 Episode 48 – Front Yard Week | | 28 | 11 months |
| The Block AU Season 21 Episode 47 – Front Yard Week | | 22 | 11 months |
| The Block AU Season 21 Episode 46 – Episode 46 | | 34 | 12 months |
| The Block AU Season 21 Episode 45 – Episode 45 | | 24 | 12 months |
| The Block AU Season 21 Episode 44 – Episode 44 | | 17 | 12 months |
| The Block AU Season 21 Episode 43 – Episode 43 | | 23 | 12 months |
| The Block AU Season 21 Episode 42 – Episode 42 | | 19 | 12 months |
| The Block AU Season 21 Episode 41 – Alfresco and Shed Reveal | | 28 | 12 months |
| The Block AU Season 21 Episode 40 – Alfresco and Shed Week | | 16 | 12 months |
| The Block AU Season 21 Episode 39 – Alfresco and Shed Week | | 22 | 12 months |
| The Block AU Season 21 Episode 38 – Alfresco and Shed Week | | 19 | 12 months |
| The Block AU Season 21 Episode 37 – Back Of House Reveals | | 12 | 12 months |
| The Block AU Season 21 Episode 36 – Back Of House Week | | 18 | 12 months |
| The Block AU Season 21 Episode 35 – Back Of House Week | | 21 | 12 months |
| The Block AU Season 21 Episode 34 – Back Of House Week | | 19 | 12 months |
| The Block AU Season 21 Episode 33 – Guest Suite Reveal | | 14 | 1 year |
| The Block AU Season 21 Episode 32 – Guest Suite Week | | 11 | 1 year |
| The Block AU Season 21 Episode 31 – Guest Suite Week | | 12 | 1 year |
| The Block AU Season 21 Episode 30 – Guest Suite Week | | 18 | 1 year |
| The Block AU Season 21 Episode 29 – Kitchen Reveal | | 17 | 1 year |
| The Block AU Season 21 Episode 28 – Kitchen Week | | 15 | 1 year |
| The Block AU Season 21 Episode 27 – Kitchen Week | | 25 | 1 year |
| The Block AU Season 21 Episode 26 – Kitchen Week | | 20 | 1 year |
| The Block AU Season 21 Episode 25 – Rumpus Room Reveal | | 30 | 1 year |
| The Block AU Season 21 Episode 24 – Rumpus Room Week | | 40 | 1 year |
| The Block AU Season 21 Episode 23 – Rumpus Room Week | | 33 | 1 year |
| The Block AU Season 21 Episode 22 – Rumpus Room Week | | 46 | 1 year |
| The Block AU Season 21 Episode 21 – Living & Dining Reveal | | 25 | 1 year |
| The Block AU Season 21 Episode 20 – Living & Dining Week | | 12 | 1 year |
| The Block AU Season 21 Episode 19 – Living & Dining Week | | 39 | 1 year |
| The Block AU Season 21 Episode 18 – Living & Dining Week | | 16 | 1 year |
| The Block AU Season 21 Episode 17 – Main Bedroom & Walk-in-Robe Reveal | | 11 | 1 year |
| The Block AU Season 21 Episode 16 – Main Bedroom & Walk-in-Robe Week | | 30 | 1 year |
| The Block AU Season 21 Episode 15 – Main Bedroom & Walk-in-Robe Week | | 27 | 1 year |
| The Block AU Season 21 Episode 14 – Main Bedroom & Walk-in-Robe Week | | 19 | 1 year |
| The Block AU Season 21 Episode 13 – Main Ensuite Reveal | | 50 | 1 year |
| The Block AU Season 21 Episode 12 – Main Ensuite Week | | 16 | 1 year |
| The Block AU Season 21 Episode 11 – Main Ensuite Week | | 18 | 1 year |
| The Block AU Season 21 Episode 10 – Main Ensuite Week | | 24 | 1 year |
| The Block AU Season 21 Episode 9 – Double Kid's Bedroom Reveal | | 29 | 1 year |
| The Block AU Season 21 Episode 8 – Double Kid's Bedroom Week | | 19 | 1 year |
| The Block AU Season 21 Episode 7 – Double Kid's Bedroom Week | | 42 | 1 year |
| The Block AU Season 21 Episode 6 – Double Kid's Bedroom Week | | 53 | 1 year |
| The Block AU Season 21 Episode 5 – Bathroom Reveal | | 42 | 1 year |
| The Block AU Season 21 Episode 4 – Bathroom week | | 27 | 1 year |
| The Block AU Season 21 Episode 3 – Bathroom week | | 51 | 1 year |
| The Block AU Season 21 Episode 2 – Bathroom week | | 56 | 1 year |
| The Block AU Season 21 Episode 1 – Bathroom week | | 44 | 1 year |
