152 years after the events of season two, The Foundation has become increasingly established far beyond its humble beginnings while the Cleonic Dynasty's Empire has dwindled. As both of these galactic powers forge an uneasy alliance, a threat to the entire galaxy appears in the fearsome form of a warlord known as "The Mule," whose sights are set on ruling the universe by use of physical and military force as well as mind control. It’s anyone's guess who will win, who will lose, who will live and who will die as Hari Seldon, Gaal Dornick, the Cleons and Demerzel play a potentially deadly game of intergalactic chess.

In spring 2024, almost two years after the events of season three and with the UBA-NBN merger complete, the newsroom must grapple with newfound responsibility, hidden motives and the elusive nature of truth in a polarized America. In a world rife with deepfakes, conspiracy theories and corporate cover-ups — who can you trust? And how can you know what's actually real?

Season two picks up with everyone's favorite pair of best friends as they contend with new midlife hurdles, including work, weddings and partners in crises. The duo tries their best to be each other's rock — but sometimes rocks break things.

In season five, everyone is suspicious when resident tech nerd Roddy Ho has a glamorous new girlfriend. When a series of increasingly bizarre events occur across the city, it falls to the Slow Horses to work out how everything is connected. After all, Lamb knows that in the world of espionage, the London Rules — cover your back — always apply.

A top-secret undercover investigator known as the Savant infiltrates online hate groups to take down the most violent extremists in the United States.