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The Marijuana Episode

Episode number: 1

Overview: Bill visits a cannabis dispensary in Hollywood and takes a trip through hemp history. Kevin Smith and other panelists weigh weed's pros and cons.

Your Computer Is Under Attack

Episode number: 2

Overview: From phishing to malware, Bill uncovers the scams that steal our data. Steve-O talks about the time he exposed himself … to hackers.

We Suck at Sleeping

Episode number: 3

Overview: In search of better sleep, correspondents seek out NASA scientists and a professional cuddler. Bill busts myths about naps, dreams and turkey.

Sex, Drugs and Superbugs

Episode number: 4

Overview: Bill spreads bad news about antibiotic-resistant gonorrhea and other superbugs. Comedian Ali Wong stops by the studio for a glow-in-the-dark demo.

Extinction: Why All Our Friends Are Dying

Episode number: 5

Overview: OK Go and Drew Carey help Bill explain extinction, and the panel reveals how scientists could one day bring extinct species back to life.

How to Travel Through Time

Episode number: 6

Overview: Bill breaks down the science of time travel with guests Zach Braff, retired astronaut Scott Kelly and the minds behind "Star Trek" and "Lost."