Beyond what could be slotted in five hours, theres plenty more to know.

Here are some of the biggest revelations from the book.

Plus, Empress Elizabeth blamed Catherine for not performing her conjugal duties.

Catherine the Great

Hal Shinnie/HBO

Such suspicions prompted her to isolate young Catherine from all of society with only her husband for company.

Nevertheless, Elizabeth had not married Razumovsky and neither did Catherine, Orlov.

And if she had, perhaps she wouldnt have cultivated her greatest love with another significant Grigory.

Catherine the Great

Robert Viglasky/HBO

Lets just say it took Catherine a few tries to find that grand love she was looking for.

This stand-in was the youthful and handsome young Guards officer, Alexander Vasilchikov.

He did his best.

Catherine the GreatHelen Mirren.photo: Hal Shinnie/HBO

Hal Shinnie/HBO

She could rock a green coat

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Catherine the GreatJason Clarke, Helen Mirren.photo: Robert Vigalsky/HBO

Robert Vigalsky/HBO

Catherine the Great

Helen Mirren in ‘Catherine the Great’.Hal Shinnie/HBO