6 episodesFirst aired 20 October 2025
Season 1 follows the lives of the wealthy Forsyte family in 1880s London and is based on Galsworthy’s Nobel Prize-winning tale of love, loyalty, ambition and betrayal.
E1Oct 202551m
The Forsytes prepare to celebrate daughter June's 18th birthday and her entrance into society - but her father Jolyon makes a shock announcement at the party. And Frances makes a distressing discovery.
E2Oct 202551m
Frances reels from a discovery. The Forsytes prepare for a night at the opera. Jolyon visits Louisa, but is spotted leaving by James, who comes to a realisation. Soames faces heartache.
E3Nov 202552m
Jolyon recalls his affair with Louisa but fails to reassure June. At Forsyte & Co., James's scheme to oust Jolyon backfires. And Soames solidifies his engagement to Irene with a ring.
E4Nov 202552m
Jolyon assures Frances and June he has cut ties with Louisa. Frances resumes her efforts to secure Horatio for June. In Paris, Soames begins to realise he doesn't fit in with Irene's friends.
E5Nov 202551m
At Forsyte & Co, the climbing Ceylon Gold share price casts doubt on Jolyon's cautious approach. Disaster strikes at the Ceylon Gold mine, prompting the share price to plummet.
E6Nov 202552m
Frances struggles to hold it together, fearing she is a source of gossip following Jolyon's departure. Irene admits to mourning the life she was promised. Jolyon and Soames argue.