Hear from the man who found water on Mars, the 8th grade teacher who mixes science with rap, plus use your smartphone to test your heart rate, track your sleep, and check out the gunk in your ears.
| Name | Type | Role | |
|---|---|---|---|
| Jason Calacanis | Guest Star | ||
| Lujendra Ojha | Guest Star | ||
| Scott Jung | Guest Star | ||
| Tom McFadden | Guest Star | ||
| Bryan Burnett | Director |