Chernobyl Season 1 Episode 1 – 1:23:45 – April 26, 1986, Ukrainian SSR. Plant workers and firefighters put their lives on the line to control a catastrophic 1986 explosion at a Soviet nuclear power plant. – Stream Chernobyl Season 1 Episode 1 Online for Free – Watch Chernobyl Season 1 Full Episode 1 Free – OnionPlay Official