Peppermint Patty gives a presentation about Thomas Edison and his improvements to Graham Bell's technology.

People did not always have light inside of their homes! Thomas Edison invented the first one, after many, many attempts.

Thomas Edison's light bulb finally works after much trial and error.

Per Thomas Edison's suggestion, The Secret Labbers visit Frederick Soddy to better understand radioactive decay. Watch Thomas Edison's Secret Lab on Netflix, the Kid Genius channel on Xfinity, public television and DVD. Visit EDISONSECRETLAB.COM for games, videos, downloads and more!

Von Bolt learns about the pheromones and tries to use them to get the attention of a new lady robot. Watch Thomas Edison's Secret Lab on Netflix, the Kid Genius channel on Xfinity, public television and DVD. Visit EDISONSECRETLAB.COM for games, videos, downloads and more!