TV tonight: Suranne Jones leads an underwater investigation

Lovesick creator Tom Edge pens this ingeniously claustrophobic maritime drama, starring Suranne Jones. When a crew member is found dead on the Trident nuclear submarine HMS Vigil, Detective Amy Silva (Jones) must go aboard to investigate, as the nuclear deterrent cannot be stopped for fear of compromising its secrecy. While the crew write off the death as an accidental overdose, Silva’s questioning raises suspicions of foul play and causes them to close ranks around a secret. Continues tomorrow night at 9pm. Ammar Kalia

The soothing, eminently watchable slow TV series that is comics Bob Mortimer and Paul Whitehouse fishing streams and rivers in the UK returns for a fourth outing. Tonight, the pair visit the remote island of North Uist in the Outer Hebrides where they battle winds and tides to fish for sea trout. AK

Brenda Blethyn returns as the robust sleuth for two new feature-length episodes. Someone’s bludgeoned a South Shields builder on the eve of him appearing as a witness in court in tonight’s opening instalment, but Vera’s soon looking into the deceased’s own family life. Lorraine Ashbourne is typically strong as a flinty ex-wife. Jack Seale

12 celebs take to the Scottish Hebrides to see if they have what it takes to make it as an SAS recruit – or to merely stave off crying in front of the cameras. Ulrika Johnson and Kerry Katona are among those facing their fears on an aerial assault course, before trying to rescue a hostage. AK

Chris Packham and his step-daughter Megan take a personal look at the natural world in this new series. They begin in south west Wales on the island of Skokholm with some puffin-watching, before canoeing along the River Teifi and revisiting the spot where Packham camped as a teen. AK

Ruby Wax is scarcely less engaging in her new life as a cognitive therapist as she was as an insistent and disarmingly blunt interrogator of celebrities. This series continues to recall the sheer intensity of some of those encounters – tonight’s highlight is an astonishingly frank 1996 interview with Pamela Anderson. Phil Harrison

Beauty and the Beast, 3.35pm, BBC One

Disney’s classic animated musical fairytale comes to deliciously ornate, live-action life, with Emma Watson playing the incarcerated beauty Belle. There is a bit of a can-do, mickey-taking feminist edge about her as she confronts the grumpy beast (Downton’s Dan Stevens, behind the furry face). Paul Howlett

Scottish Football: Rangers v Celtic 11am, Sky Sports Main Event. Top-flight clash from Ibrox Stadium.

Paralympics 2020 12noon, Channel 4. Athletics coverage begins.

Premier League Football: Burnley v Leeds United 2pm, Sky Sports Main Event. Wolverhampton Wanderers v Manchester United at 4pm.

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