Series 18
Episodes
1 Meet The Avatars Aug 15, 2017 
2 Can Seaweed Save The World? Aug 22, 2017 
3 Closing In: The Hunt For Alien Life Aug 29, 2017 
4 The Day The Dinosaurs Died Sep 5, 2017 
5 Heartbeat: The Miracle Inside You Sep 12, 2017 
6 Death Dive: Into The Rings Of Saturn Sep 19, 2017 
7 Sit Back, Relax; The Dawn Of The Driverless Car Sep 26, 2017 
8 Can We Save the Reef? Oct 3, 2017 
9 How To Exercise Better Oct 10, 2017 
10 Gut Revolution (Part 1) Oct 17, 2017 
11 Gut Revolution (Part 2) Garry's Story Oct 24, 2017 
12 It's A Twin Thing Oct 31, 2017 
13 The Secret To Making Better Decisions Jan 30, 2018 
14 Farmer Needs A Robot Feb 6, 2018 
15 Back To The Moon Feb 13, 2018 
16 Gut Revolution (Part 3) Victoria's Story Feb 20, 2018 
17 Sleep Matters Feb 27, 2018