These are all videos about how stuff works. These are also some of my favorite videos.
| Episode Topic | Link |
| How Oldschool Graphics Work Part 1 – Commodore and Nintendo | Episode 115 |
| How Oldschool Graphics Work Part 2 – Apple and Atari | Episode 116 |
| How Oldschool Sound and Music worked | Episode 117 |
| How CGA Graphics Works | Episode 123 |
| How Oldschool Cassette Tape Drives Worked | Episode 129 |
| How Oldschool Floppy Drives Worked | Episode 130 |
| How ROM Cartridges worked | Episode 133 |
| How VHS tapes worked | Episode 136 |
| How Lightpens and Light Guns worked | Episode 141 |
| How Video Digitizers Worked | Episode 147 |
| The Basics of BASIC | Episode 151 |
| How Character LCDs work Part 1 | Episode 158 |
| How Character LCDs work Part 2 | Episode 159 |
| How Character LCDs work Part 3 | Episode 214 |
| How the Covox and Disney Sound Source Work | Episode 169 |
| Color photos from a black and white camera | Episode 220 |
| How Boot Sector Games Work | Episode 256 |
| How Speech Synthesizers Worked | Episode 239 |
| How Game Controllers Work | Episode 232 |
| How Telephone Phreaking Worked | Episode 255 |