Chernobyl Season 1 Episode 2 – Please Remain Calm – With untold millions at risk after the Chernobyl explosion, nuclear physicist Ulana Khomyuk makes a desperate attempt to reach Valery Legasov, a leading Soviet nuclear physicist, and warn him about the threat of second explosion that could devastate the continent. – Stream Chernobyl Season 1 Episode 2 Online for Free – Watch Chernobyl Season 1 Full Episode 2 Free – OnionPlay Official