Catherine the Great (Season 1)

Catherine the Great (2019) is an HBO and Sky historical miniseries you can watch online on iFILM. Helen Mirren plays the Russian empress in the later years of her reign, when her grip on power is firm but personal happiness proves far harder to hold.

The four parts center on her bond with Grigory Potemkin, played by Jason Clarke — part love affair, part political alliance. He rises to become the most powerful man at court, wages war on the Ottomans and brings Crimea into the empire, all while testing how far her trust will stretch. Around them the schemes never stop: her son Paul eyes the throne, courtiers angle for favor, and every decision is weighed against both the empire and the gossip.

Directed by Philip Martin of The Crown, the series favors restrained camerawork, heavy interiors and conversation over battlefield spectacle. It rests on Mirren, who plays a woman used to ruling yet still capable of feeling. Best for fans of prestige costume drama and anyone curious to see 18th-century Russia through a British lens. Stream Catherine the Great online on iFILM.