Season 3
01. How Do You Make Music?
After tumbling into a tuba, the StoryBots enter a magical, musical wonderland. John Legend guest-stars as the King of Music.
02. Where Do Planets Come From?
The 'Bots blast off into outer space to learn how planets are made -- and what they're made of. Zoe Saldana guest-stars as an astronomy professor.
03. Why Do People Look Different?
No two people are exactly alike, thanks to a little thing called DNA. Reggie Watts guest-stars as a nurse who explains it all.
04. Why Do We Have to Recycle?
A trip to a landfill teeming with trash teaches the StoryBots the importance of recycling. Tony Hale guest-stars as the owner of a sorting facility.
05. How Do Cell Phones Work?
To see how cell phones work, the StoryBots hop inside one. Jennifer Garner guest-stars as a cell tower switching-station operator.
06. What Happens When You Flush the Toilet?
We use the toilet every day, but how does it work -- and where does our waste go? Jason Sudeikis guest-stars as a plumber in the know.
07. Where Does Chocolate Come From?
The StoryBots jump into a vending machine to find out where candy bars come from. Alyssa Milano guest-stars as a chocolatier.
08. How Do Eyes See?
The StoryBots brave a castle on a dark and stormy night to understand how eyesight works. Maria Bamford guest-stars as an eccentric scientist.