2 - 1The Marijuana Episode Dec. 29, 2017- 2 - 1The Marijuana Episode Dec. 29, 2017
2 - 2Your Computer Is Under Attack Dec. 29, 2017- 2 - 2Your Computer Is Under Attack Dec. 29, 2017
2 - 3We Suck at Sleeping Dec. 29, 2017- 2 - 3We Suck at Sleeping Dec. 29, 2017
2 - 4Sex, Drugs and Superbugs Dec. 29, 2017- 2 - 4Sex, Drugs and Superbugs Dec. 29, 2017
2 - 5Extinction: Why All Our Friends Are Dying Dec. 29, 2017- 2 - 5Extinction: Why All Our Friends Are Dying Dec. 29, 2017
2 - 6How to Travel Through Time Dec. 29, 2017