Watch The Planets season 2 episode 2014 tv series online free
Release: Sep 17, 2018
Astronaut Mike Massimino explores the fiery volcanoes of alien worlds and earth. This episode is a mashup of "The Planets", S02E13, "Alien Volcanoes: Life in Hell" and "Space's Deepest Secrets", S02E05, "Mysteries of Alien Volcanoes".