Overview
- Episode 1 debuts Sunday, Jan. 11 at 9 p.m. ET on HBO, with streaming on HBO Max in the U.S.
- Eight episodes roll out weekly on Sundays, concluding on March 1, 2026.
- In the U.K., episodes arrive Monday on BBC One and BBC iPlayer starting Jan. 12; Canada streams on Crave, and Australia on Max/Binge.
- Creators Mickey Down and Konrad Kay say Season 4 zeroes in on a major financial fraud and leans harder into politics and global finance.
- The cast adds Max Minghella, Kiernan Shipka, Charlie Heaton, Kal Penn and Toheeb Jimoh alongside returning leads, while Harry Lawtey does not return.