Earth: [s1e3] Open Wide, O

: The title is derived from an Eastern Orthodox prayer spoken at funerals. Director : Johan Renck. Writer : Craig Mazin.

: Ulana Khomyuk interviews dying plant workers Leonid Toptunov and Aleksandr Akimov. They reveal that the explosion occurred after the AZ-5 emergency shutdown button was pressed—a scenario theoretically impossible according to Soviet nuclear physics. Key Themes [S1E3] Open Wide, O Earth

: Legasov realizes the reactor core is melting through the concrete pad, risking a "China Syndrome" that would contaminate the Dnieper River basin, threatening the water supply for 50 million people. To prevent this, hundreds of coal miners are recruited to dig a tunnel under the reactor to install a liquid nitrogen heat exchanger. Due to extreme heat (over 50°C) and the prohibition of fans that would stir up radioactive dust, the miners famously choose to work naked. : The title is derived from an Eastern

The episode focuses on two primary efforts: preventing a secondary catastrophic explosion and investigating the root cause of the initial blast. : Ulana Khomyuk interviews dying plant workers Leonid