Our Girl is on BBC One at 9pm.

Last in the military drama series. Georgie is caught in the crossfire when another attempt is made on Chowdhrey’s life, and she is also forced to re-examine her feelings for her Captain.

Love Your Garden is on ITV at 8pm.

In the return of the horticultural series, host Alan Titchmarsh, and the team, head to Fareham in Hampshire to make over the garden of a 90-year-old volunteer.

Long Lost Family is on ITV at 9pm.

Davina McCall and Nicky Campbell help the daughter of Italian parents, who had a happy adoption growing up in England, but who now hopes to meet her birth mother.

Ackley Bridge is on Channel Four at 8pm.

Mandy’s past comes to light when her abusive dad shows up at school suffering from dementia, and Hayley is devastated to discover the steps Razia has taken.

The Frankenstein Chronicles is on ITV at 10.45pm.

This period crime drama, which was previously shown on ITV Encore, stars Sean Bean. Inspector John Marlott makes a shocking discovery during a police arrest on the banks of the Thames.

Nine Nine Nine, What’s Your Emergency? is on Channel Four at 9pm.

Return of the documentary following the work of emergency services in Wiltshire. Tonight’s cases include a man with an axe-related injury.

Mark Kermode’s Secrets of Cinema is on BBC Four at 9pm.

In this episode, the film critic celebrates the cinematic techniques used in heist movies. Vintage Ealing comedy, The Lavender Hill Mob, follows at 10pm.