One of the series' main characters, a Soviet nuclear physicist named Ulana Khomyuk, is an amalgamation of many nuclear scientists involved in the Chernobyl cleanup.

HBO's 5-part dramatization of the events that happened in Pripyat, USSR after the catastrophic accident at the Chernobyl nuclear power plant is now the highest rated show of all time according to IMDb. Here are 12 ways HBO changed the Chernobyl story.

Be sure to also check out our 73 best memes from the HBO show, and you might also enjoy watching actual footage from the Chernobyl disaster.