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Updated Every Sunday

This Week in British TV

A quick, always-current look at what's premiering and what's new this week across BritBox, Acorn TV and PBS Masterpiece — refreshed every Sunday alongside British TV Hub's regular accuracy check.

Jump to Premiering This Week New Episodes This Week Full Season Preview →

Premiering This Week

Agatha Christie's Tommy & Tuppence key art — a BritBox Original
Premieres Tuesday, September 15

Agatha Christie's Tommy & Tuppence

Antonia Thomas and Josh Dylan star as Christie's amateur sleuthing duo, with Imelda Staunton appearing as Tommy's formidable Aunt Ada — timed to premiere on Christie's own birthday.

Read the Full Guide → Watch on BritBox →

New Episodes This Week

The Marlow Murder Club Season 3 on PBS Masterpiece
New Episodes Sundays

The Marlow Murder Club — Season 3

Read the Guide →
Lesley Manville in Marble Hall Murders
New Episodes Sundays

Marble Hall Murders

Read the Guide →
The Assassin on Acorn TV
New Episodes Mondays

The Assassin

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How This Works

This page is refreshed weekly, alongside British TV Hub's regular Sunday accuracy check, so premiere dates and new episodes always reflect what's actually airing. For the bigger picture, the Season Preview rounds up everything arriving each quarter.