[1] The series was conceived, created, written and directed by Wain Fimeri, was shot in nine countries and is presented by Derek Muller.

Using computer-generated dragons as a metaphor for daughter isotopes, the episode shows how uranium turns into lead in the process of radioactive decay.

The episode concludes with the use of uranium as a nuclear weapon and the bombing of Hiroshima at the end of World War II.

The proposition that in our energy-hungry, warming world, uranium both tempts with unbelievable power and threatens all life on earth is explored.

[5] The project was in produced over the course of 12 months in preparation for the seventieth anniversary of the detonation of Little Boy over Hiroshima, Japan and the beginning of the atomic age.