Season 16
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| # | Image | Title | Aired |
|---|---|---|---|
| 1 |  | Polar People, Plant Based Medicine | Feb 3, 2015 |
| 2 |  | Lead Astray | Feb 10, 2015 |
| 3 | Alien Technology, Tick Allergy | Feb 17, 2015 | |
| 4 | Passport Facial Recognition, Antivenom | Feb 24, 2015 | |
| 5 | Tamiflu, Sun's Lost Sibling | Mar 3, 2015 | |
| 6 | Super Solar Cells, Where Birdsong Began | Mar 10, 2015 | |
| 7 | Powering The Mind | Mar 17, 2015 | |
| 8 |  | Horse Whip, Antarctic Acidification | Mar 24, 2015 |
| 9 | Our Chemical Lives | Mar 31, 2015 | |
| 10 | Condoms, Toorale Man Murder Mystery | Apr 7, 2015 | |
| 11 |  | Fit in 6 Minutes a Week | Sep 29, 2015 |
| 12 | Diagnosing Mental Illness, Ghostbusters, Brain Stimulation | Oct 6, 2015 | |
| 13 | Why Am I Still Fat? | Oct 13, 2015 | |
| 14 |  | Can We Live on Mars Parrots versus Possums | Oct 20, 2015 |
| 15 | Too Much Medicine | Oct 27, 2015 | |
| 16 | Female Sex Drive | Nov 3, 2015 | |
| 17 | Einstein's Extraordinary Universe | Nov 10, 2015 | |
| 18 | A Life Without Males | Nov 17, 2015 | |
| 19 |  | Gluten: A Gut Feeling | Nov 24, 2015 |
| 20 | Sharks | Dec 8, 2015 | |
| 21 | Episode 21 | Dec 8, 2015 |