Overview

• The third season premiered on June 22, 2025, exclusively on HBO and streams weekly on Max through August 10.
• Creator Julian Fellowes returns to chronicle 1880s New York’s power struggle between old-money elites and the ambitious Russells.
• Bertha Russell pursues a strategic marriage alliance for her daughter while George Russell risks his fortune on a transcontinental railroad project.
• Peggy Scott’s arc intensifies with a reporting assignment that exposes racial discrimination and introduces Dr. William Kirkland as a key figure.
• Figures such as JP Morgan and Caroline Schermerhorn Astor feature prominently, underscoring the series’ commitment to historical accuracy and its parallels with contemporary wealth dynamics.