The fourth season of HBO’s The Gilded Age premiered on Sunday, November 1, 2026, at 9 p.m. Eastern on HBO, and it streams on HBO Max. According to Wikipedia, the season has eight episodes airing weekly through December 20.
The official setup
TV Insider quotes HBO’s description: “Bertha Russell changed Society at a cost.” Her family must deal with the fallout as Agnes van Rhijn tries to regain her position, Marian forges a new path and Peggy works to be accepted by her future in-laws.
Cast
The main cast includes Christine Baranski as Agnes, Carrie Coon as Bertha Russell, Cynthia Nixon as Ada, Morgan Spector as George Russell, Denée Benton as Peggy Scott, Louisa Jacobson as Marian Brook, Taissa Farmiga as Gladys Russell and Audra McDonald as Mrs. Scott, among others. Jordan Donica joins as a series regular, according to Wikipedia.
Related Reading
New this season, per TV Insider: Jim Gaffigan as President Grover Cleveland, Dennis Haysbert as Dr. Reginald Harris, Neal Huff as John D. Rockefeller, Bonnie Milligan as Mrs. Knapp Curtis and Adrienne Warren as Ava.
Premiere episode
Wikipedia, the only source we opened with an episode summary, says the season is set in 1885 and that the first episode, “Ring the Bells,” includes Oscar’s marriage to Enid Winterton and a dinner Agnes hosts for President Cleveland. We are not describing later plot points, since summaries for the remaining episodes were not available.
Who made it
Julian Fellowes created the series, and Wikipedia says he and Sonja Warfield wrote most episodes. Filming wrapped in early August 2026.
Renewal
TV Insider says the show has not been renewed beyond season four as of its publication, so check HBO for any later announcement.
