BritBox: best new shows & films streaming this week

★ New this week

Krays: London’s Gangsters

Krays: London’s Gangsters examines the lives and legacy of Ronnie and Reggie Kray, identical twins who ran London’s East End underworld during the 1950s and 1960s. Drawing on archive footage, expert interviews and first-hand accounts, the documentary traces how the pair, from a Bethnal Green terrace, became two of the most feared figures in British criminal history.

2 x 60-minute episodes

Marble Hall Murders Season 3

The third and final chapter of Anthony Horowitz’s Susan Ryeland series, in which a manuscript hides a real murder and Susan must prove her innocence while catching the killer.

Starring: Lesley Manville, Tim McMullan, Yasmine Al Massri.

6 episodes

Holding

Now streaming

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Series

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Mystery

Based on Graham Norton’s debut novel, a discovery outside a small Irish village forces long-buried secrets into the open, leaving an underestimated local sergeant to unravel an investigation that runs deeper than anyone expected.

Starring: Conleth Hill, Charlene McKenna, Clinton Liberty, Brenda Fricker.

4 episodes

Professor T Season 5

Now streaming

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Series

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Crime drama

Ben Miller (Austin, Bridgerton, Jonny English Strikes Again) returns as the brilliant, deeply eccentric Professor Jasper Tempest for a fifth season of six fresh cases.

Starring: Ben Miller, Sarah Woodward, Barney White, Douglas Reith.

6 episodes