| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Meet the Teams & Techs! Get the Challenge. Start the Clock! |
September 13, 2020
PBS
|
27 | |
| S04E02 | The Supply Run! Start Building |
September 20, 2020
PBS
|
27 | |
| S04E03 | Innovate, Build, Invent!, Pt. 1 |
September 27, 2020
PBS
|
27 | |
| S04E04 | Innovate, Build, Invent!, Pt. 2 |
October 4, 2020
PBS
|
27 | |
| S04E05 | Innovate, Build, Invent!, Pt. 3 |
October 11, 2020
PBS
|
27 | |
| S04E06 | Clock Is Counting Down. Time Is Up |
October 18, 2020
PBS
|
27 | |
| S04E07 | The Team Pitches, Pt. 1 |
October 25, 2020
PBS
|
27 | |
| S04E08 | The Team Pitches, Pt. 2 |
November 1, 2020
PBS
|
27 | |
| S04E09 | Follow Our Winning Team on Industry Field Trip!, Pt. 1 |
November 8, 2020
PBS
|
27 | |
| S04E10 |
Follow Our Winning Team on Industry Field Trip!, Pt. 2
series finale
|
November 15, 2020
PBS
|
27 |
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