This clip provides a brief history of Helium and its discovery by humans. It mentions the some of the properties of the element and describes its different applications in many industries. It also explains that Helium is a nonrenewable resource.

Phil provides a basic overview of chemicals and explains that they make up everything in the universe. He gives examples of everyday objects that are chemicals and briefly explains the periodic table of elements.

Professor Anderson leads the group through the underground cave. He almost falls down a deep chasm as he tries to assure the group that he's good with directions. He attempts to use a flare to measure the depth of the chasm, but the magnesium rocks cause it to explode. Hannah then gives him a glowstick, and he uses that to determine that the chasm is about 200 feet deep.

Mr. Wizard explains chemical properties and uses examples to support his explanations.

In this video, Daniel Radcliffe sings Tom Lehrer's song, "The Elements" on the Graham Norton show. The song lists out all of the elements in the Periodic Table.