The StoryBots visit mountaintops, the deep sea and even outer space to understand how night happens. Jay Leno guest stars as a helpful knight.

The StoryBots embark on a high-flying adventure to learn how airplanes fly. Kevin Smith guest stars as the superhero Super Mega Awesome Ultra Guy.

To understand why humans need to brush their teeth, the StoryBots travel to a mouth taken over by a gang of bad bacteria. Whoopi Goldberg guest stars.

To learn why the sky is blue, the StoryBots get a science lesson in colors. Garfunkel and Oates' Riki Lindhome and Kate Micucci guest star.

The mysterious Molepheus takes the StoryBots on an underground journey to learn how French fries are made."Weird Al" Yankovic guest stars.

The StoryBots visit an amusement park in the sky to learn where rain comes from. Tim Meadows and Chris Parnell guest star as a pair of silly reindeer.