Season 4 (2013)
7.93 avg 4 episodes 7.4 → 7.8 10 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 6 | Is Your Red The Same as My Red? | 7.4 | 14 |
| 23 | Where Do Deleted Files Go? | 7.8 | 8 |
| 25 | INSIDE a Spherical Mirror | 8.7 | 7 |
| 26 | Why Do We Get Bored? | 7.8 | 8 |
Seasons
Season 8 (2017)
7.93 avg 3 episodes 8.3 → 8.5 21 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 4 | How Much of the Earth Can You See at Once? | 8.3 | 10 |
| 5 | The Napkin Ring Problem | 7.0 | 11 |
| 6 | Which Way Is Down? | 8.5 | 14 |
Season 9 (2019)
8.52 avg 9 episodes 8.5 → 9.2 26 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Laws & Causes | 8.5 | 16 |
| 2 | How Many Holes Does a Human Have? | 7.8 | 22 |
| 3 | The Odd Number Rule | 8.3 | 17 |
| 4 | Illusions of Time | 9.1 | 23 |
| 5 | The Future Of Reasoning | 8.7 | 11 |
| 6 | Do Chairs Exist? | 8.7 | 18 |
| 8 | Did People Used To Look Older? | 8.3 | 25 |
| 9 | Selfie Waves | 8.1 | 17 |
| 10 | All The Ghosts You Will Be | 9.2 | 15 |
