Overview
- Season 4 debuts Sunday, Jan. 11, 2026 at 9 p.m. ET on HBO and HBO Max, with eight episodes rolling out weekly.
- The first teaser, set to Nina Simone’s Lilac Wine, previews a moody, high-tension tone with Harper and Yasmin in a charged face-off.
- HBO’s logline places a splashy fintech upstart at the heart of the story as Harper is drawn to executive Whitney Halberstram and Yasmin navigates life with Sir Henry Muck.
- New cast includes Max Minghella, Kal Penn, Kiernan Shipka, Charlie Heaton, Toheeb Jimoh, Amy James‑Kelly, Jack Farthing and Claire Forlani, with several tied to payment processor Tender.
- Harry Lawtey will not return as Robert Spearing, while series regulars such as Myha’la, Marisa Abela, Kit Harington, Ken Leung, Miriam Petche and Sagar Radia are back; UK broadcast details will be announced by the BBC.