| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Fast Machines |
April 11, 2022
|
14 | |
| S04E02 | Theme Park Machines |
April 11, 2022
|
14 | |
| S04E03 | Tractor Machines |
April 11, 2022
|
14 | |
| S04E04 | Electric Machines |
April 11, 2022
|
14 | |
| S04E05 | Mobility Machines |
April 11, 2022
|
14 | |
| S04E06 | Collection Machines |
April 11, 2022
|
14 | |
| S04E07 | Racing Machines |
April 11, 2022
|
14 | |
| S04E08 | Farming Machines |
April 11, 2022
|
14 | |
| S04E09 | Balance Machines |
April 11, 2022
|
14 | |
| S04E10 | Little Machines |
April 11, 2022
|
14 | |
| S04E11 | Safety Machines |
April 25, 2022
|
14 | |
| S04E12 | Water Safety Machines |
April 25, 2022
|
14 | |
| S04E13 | Demolition Machines |
April 25, 2022
|
14 | |
| S04E14 | Harbour Machines |
April 25, 2022
|
14 | |
| S04E15 | Space Machines |
April 25, 2022
|
14 | |
| S04E16 | Water Machines |
April 25, 2022
|
14 | |
| S04E17 | Recycling Machines |
April 25, 2022
|
14 | |
| S04E18 | City Machines |
April 25, 2022
|
14 | |
| S04E19 | Emergency Machines |
April 25, 2022
|
14 | |
| S04E20 |
Grace's Favourite Machines
series finale
|
April 25, 2022
|
14 |
No artwork of this type.
No artwork of this type.
No artwork of this type.