| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S02E01 | How do Lithium-ion batteries work? |
March 4, 2019
YouTube
|
9 | |
| S02E02 | How to make lemon batteries! |
April 7, 2019
YouTube
|
5 | |
| S02E03 | How do LEDs & batteries work? |
May 30, 2019
YouTube
|
10 | |
| S02E04 | What's inside a smartphone? |
July 11, 2019
YouTube
|
3 | |
| S02E05 | What is the first engine ever? |
October 6, 2019
YouTube
|
9 | |
| S02E06 | How do steam engines work? |
October 8, 2019
YouTube
|
9 | |
| S02E07 | How do trees extract CO2? |
October 25, 2019
YouTube
|
3 | |
| S02E08 | What are PCBs? |
November 26, 2019
YouTube
|
10 | |
| S02E09 |
What does a Star Wars battle actually sound like?
season finale
|
December 30, 2019
YouTube
|
4 |
No artwork of this type.
No artwork of this type.
No artwork of this type.