Hank explains that DNA stores our genetic instructions and illustrates how DNA is structured. He explains the parts of the Double Helix structure and uses a book to put into perspective just how many base pairs are tightly packed in each chromosome.

The StoryBots tell their boss, Hap, what they have found out, in order to help answer Coco and Lennon's question of "Why do people look different?".

A trip to a cell to hunt for DNA teaches the StoryBots about how DNA is structured with Ms. Polymerase.

Hank explains the process of DNA translation, which decodes the genetic instructions to create proteins.

Malcolm and Stevie are working on an experiment to develop restriction enzymes. When Reese complains about using his room for the experiment, Malcolm explains the importance of the enzymes and the ways in which they can be used.