On April 26, 1988, chemist Valery Legasov, safely hiding six audiocassettes with his memories, is hung up in his apartment.

On April 26, 1986 at 1:23:45 am, during a safety experiment at the Chernobyl nuclear power plant, a reactor explosion and fire occur. Alerted firefighters without special protection arrive at the scene of the accident, not suspecting that they are in the epicenter of the largest man-made disaster in human history. The leadership of the Chernobyl nuclear power plant assures the Kremlin that the situation is under control and the radiation background is normal, but at the insistence of academician Legasov, he, together with the deputy chairman of the Council of Ministers Boris Shcherbina, are sent to investigate what is happening on the spot.

Chernobyl Season 1 series 1-5 in 4K Ultra HD
1:23:45 S1, Ep1
6 May 2019
Plant workers and firefighters put their lives on the line to control a catastrophic April 1986 explosion at a Soviet nuclear power plant.

Please Remain Calm S1, Ep2
13 May 2019
With untold millions at risk, Ulana makes a desperate attempt to reach Valery and warn him about the threat of a second explosion.

Open Wide, O Earth S1, Ep3
20 May 2019
Valery creates a detailed plan to decontaminate Chernobyl; Lyudmilla ignores warnings about her firefighter husband’s contamination.

The Happiness of All Mankind S1, Ep4
27 May 2019
Valery and Boris attempt to find solutions to removing the radioactive debris; Ulana attempts to find out the cause of the explosion.

Vichnaya Pamyat S1, Ep5
3 Jun. 2019
Valery, Boris and Ulana risk their lives and reputations to expose the truth about Chernobyl.