Season: 1

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.

And So They Met

While spending some time with her sister, Alya recounts how she met Masachika and began to think highly of him despite his slacker status. Later, Masha gets to meet him in person when he helps out the student council.

12:00 P.M.

While Robby handles an ultimatum from the hospital, Mel, Javadi, and Collins each handle unique mother-daughter dynamics.