Prisoner

9pm, Sky Atlantic

A lean, Line of Duty-esque police drama finds a fresh-out-of-idyllic-maternity-leave prison officer Amber (Big Boys’ Izuka Hoyle) on her way to pick up Tibor Stone (The Serpent’s Tahar Rahim). He plays a prisoner so dangerous he can’t even be trusted with his own insulin pump. Despite his heinous crimes, the police need his testimony to bring down an organised crime syndicate. Sleek storytelling, plus Eddie Marsan playing against type – what’s not to love? Priya Elan

Saint-Pierre

8pm, U&Alibi

This occasionally bilingual, always far-fetched Canadian procedural boasts one big asset: its stunning east-coast scenery. A Bastille Day killing sees Arch (Death in Paradise’s Joséphine Jobert) and Fitz (Allan Hawco) drawn into a world of mob rivalries that may have you asking: mais que se passe-t-il donc?…