How the Universe Works Season 2 Episode 1

Overview
Are we alone in the Universe? What makes Earth so different? Part of the answer is our volcanoes. without them we would not be here either. Today we are discovering volcanoes on alien worlds. Are these worlds where, tomorrow, we might find life?
Episode Title: Volcanoes - The Furnaces of Life
Duration: 44min
Air Date: 2012-07-11
Year: 2012
IMDb: