The episode describes how science, in particular the work of Clair Patterson (voiced in animated sequences by Richard Gere) in the middle of the 20th century, has been able to determine the age of the Earth.
Episode kali ini menjelaskan bagaimana sains, khususnya penelitian Clair Patterson (diisi suara oleh Richard Gere) pada pertengahan abad ke-20 berhasil menentukan usia Bumi.