Tonight's picks include the latest Sophie Toscan du Plantier documentary, Clint Eastwood stars in and directs The Mule, DC’s Legends of Tomorrow returns, and there’s the finale of Before We Die . . .

Pick of the Day

Sophie: a Murder in West Cork, Netflix

Following on from Jim Sheridan’s Sophie Toscan du Plantier documentary series on Sky, here’s Netflix’s look at the murder that’s remained unsolved since it occurred at Christmas 1996.

We need your consent to load this YouTube contentWe use YouTube to manage extra content that can set cookies on your device and collect data about your activity. Please review their details and accept them to load the content.Manage Preferences

Sophie’s brutal murder outside her holiday home near Toormore, Schull, County Cork, shocked the country and triggered one of the biggest investigations Ireland had ever seen - it became a national obsession both here and in France.

With access both to the victim's family and those involved in the story, this series unravels this story from its beginnings and promises a unique window into the ongoing battle to find justice.

Don’t Miss

The Mule, 9.35pm, RTÉ One

We need your consent to load this YouTube contentWe use YouTube to manage extra content that can set cookies on your device and collect data about your activity. Please review their details and accept them to load the content.Manage Preferences

This is an enjoyable drama, directed by and starring Clint Eastwood, and featuring Bradley Cooper and Laurence Fishburne.

An 88-year-old Eastwood plays Earl Stone, an award-winning horticulturist and Korean War veteran, who is facing financial ruin.

The Illinois octogenarian is estranged from his ex-wife Mary and daughter Iris for always putting work before family.

In an attempt to put things right, he becomes a courier for a Mexican cartel.

Death in Paradise, 9.00pm, BBC One

Another mid-summer trip down Memory Lane in the Caribbean with this amiable, undemanding whodunit.

The Saint Marie Heritage Society is re-enacting the French invasion of the island when its president dies.

At first it looks like an extreme reaction to a dodgy stew as the rest of the group have fallen ill - but when lab reports reveal there was poison in the pot, Humphrey is left wondering why the victim was the only one to end up in the mortuary.

New or Returning Shows

DC's Legends of Tomorrow, 8.00pm, Sky One

The rag-tag group of anti-heroes reunite once more for more bizarre adventures in the sixth season of this fun DC tale.

After a night of celebrating their beating the Fates, the Legends quickly discover that Sara is missing. Trying to keep it together, the Legends are shocked to discover that she was taken by aliens.

We need your consent to load this YouTube contentWe use YouTube to manage extra content that can set cookies on your device and collect data about your activity. Please review their details and accept them to load the content.Manage Preferences

Ava sends Rory and Behrad to follow a lead on who can possibly help them find Sara, while Constantine tries to work his magic.

Meanwhile, Sara does all she can to try to escape, which includes releasing aliens into the timeline, but is shocked to learn who one of her kidnappers turns out to be.

Back to Jail: Crime and Punishment, 10.00pm, Channel 4

This documentary focuses on various aspects of the legal system follows three of Hampshire's prolific repeat offenders, who are all trying to reform their lives after their release from prison.

They are supported by probation and police, doing the best they can, but large caseloads and a lack of resources often leave officers overwhelmed.

And when it's the job of probation to manage and assess the risk posed by offenders in the community, the consequences of mistakes can be disastrous.

Ulster to the Arctic: A Gentleman's Adventure, 10.35pm, BBC One

We need your consent to load this YouTube contentWe use YouTube to manage extra content that can set cookies on your device and collect data about your activity. Please review their details and accept them to load the content.Manage Preferences

In June 1856, The 1st Marquess of Dufferin and Ava, Frederick Hamilton-Temple-Blackwood, left his home in Bangor to travel across Scotland and on to the Arctic in a small sailing schooner.

After travelling 6,000 miles in four months, he published an account of his journey and became the most outstanding diplomat of the Victorian era.

Now adventurer and travel writer Leon McCarron (see his presenter reel, above) recreates this seminal voyage by following the accounts written in Lord Dufferin's book, introducing viewers to some of his hero's stories.

New to Stream

Somos, Netflix

The lives of the people of Allende, a Mexican border town, are overtaken by a powerful cartel's operations, leading to tragedy. Inspired by true events.

We need your consent to load this YouTube contentWe use YouTube to manage extra content that can set cookies on your device and collect data about your activity. Please review their details and accept them to load the content.Manage Preferences

America: The Motion Picture, Netflix

A chainsaw-wielding, potty-mouthed George Washington teams with beer-loving bro Sam Adams to take down the Brits in a tongue-in-cheek riff on the American Revolution.

Strong language and violence here. This is NOT for kids!

We need your consent to load this YouTube contentWe use YouTube to manage extra content that can set cookies on your device and collect data about your activity. Please review their details and accept them to load the content.Manage Preferences

Prime Time, Netflix

On New Year’s Eve 1999, an armed man enters a TV studio during a broadcast, takes the host hostage and makes one demand: to give a message live on air.

Ending Tonight

Before We Die, 9.00pm, Channel 4

Streaming on All4

We need your consent to load this YouTube contentWe use YouTube to manage extra content that can set cookies on your device and collect data about your activity. Please review their details and accept them to load the content.Manage Preferences

This English adaptation of a bleak Swedish drama - starring Lesley Sharp - comes to an end.

The undercover police team attempt to bust the Mimicas' drug smuggling operation, but they are in for an unpleasant surprise.

With Billy and Christian's help, can Hannah turn the tables on the crime family as events draw to a dramatic showdown?

Click here for TV listings