4 - 1Fact or Fiction Jun. 20, 2015- 4 - 2Speed Freaks Jun. 27, 2015
- 4 - 3Home Hacks Jul. 04, 2015
- 4 - 4No Limits Jul. 11, 2015
- 4 - 5Win or Fail Jul. 18, 2015
- 4 - 6Demolition Derby Jul. 25, 2015
- 4 - 7Superhuman Aug. 01, 2015
- 4 - 8Forces of Nature Aug. 08, 2015
- 4 - 9Insane Inventions Aug. 15, 2015
- 4 - 10Weird Science Aug. 22, 2015