TV tonight: hit Welsh drama Keeping Faith returns for a final season

Keeping Faith

9pm, BBC One

The third and final season of the hit Welsh thriller reaches BBC screens after an earlier Welsh language showing on S4C. Lawyer Faith Howells (Eve Myles) is still coping with the fallout from the demise of her marriage to Evan (Bradley Freeguard) and in this opening episode their legal battle for the custody of their children goes from bad to worse. Meanwhile, Faith takes on the new case of a gravely ill boy and works on establishing her own law firm, before an unsettling figure from her past reappears. Ammar Kalia

The Windsors: Inside The Royal Dynasty

8pm, Channel 4

Like The Crown, only without the made-up bits, this Rosamund Pike-narrated documentary continues. After the shock of the 1936 abdication, it’s up to George VI to rebuild the reputation of the monarchy. And he’d better get a move on. WWII is due to start at any minute. Ellen E Jones

Casualty

8.20pm, BBC One

Faith’s daughter rumbles her dealings with Dylan after a clumsy phone call, but that’s just the start of the family’s problems this week. And if anyone needs a reminder of the dangers of messing with Connie, she’s on the warpath with an agency nurse who is also her ex Jacob’s new love interest. Hannah Verdier

Paloma Faith: As I Am

9pm, BBC Two

Popstar Paloma Faith follows in the recent footsteps of the likes of Demi Lovato and Taylor Swift with this music documentary giving us an insight into her personal life, as well as her hectic touring schedule. With a new baby to look after and a new album to promote, we follow Faith on her gruelling schedule. AK

Grace Kelly: The Missing Millions

9pm, Channel 5

When Hollywood icon Grace Kelly died, she left just $10,000 and a small cottage. Given her career and her marriage to Prince Rainier of Monaco, her modest means seem surprising. In this doc, Gemma Godfrey crunches the numbers and comes up with a bleak tale of financial mismanagement. Phil Harrison

Reel Stories: Dave Grohl

10.30pm, BBC Two

The Nirvana drummer and Foo Fighters frontman joins Dermot O’Leary via video-link for a look back at his career. There is emotional footage of his first TV performance with Nirvana aged 22 and their slot at Reading in 1992, before he recounts the start of the Foo Fighters. AK

Film choice

Six Minutes to Midnight, 2.15pm, Sky Cinema Premiere

There’s a 39 Steps feel to this solid new spy thriller set in 1939 on the cusp of war. Eddie Izzard underplays as a British agent posing as a teacher at an English boarding school for the German daughters of high-ranking Nazis. Double-crosses and lots of running (handy for marathon-friendly Izzard) ensue. Simon Wardell

Live sport

Snooker: Tour Championship 12.45pm, ITV4. Opening session of the second semi-final.

Rugby League: Wakefield Trinity v Leeds Rhinos 2.30pm, Sky Sports Main Event. Followed by Catalans Dragons v Hull Kingston Rovers at 5pm.

International Football: Republic of Ireland v Luxembourg 7.30pm, Sky Sports Main Event. Group A World Cup qualifier.