The Harbour
8pm, ITV
This week on The Harbour, it’s high season in lovely Tenby, bringing the crowds in their thousands. It also brings with it the first big sporting event of the summer, a three-day triathlon. Meanwhile, tyre salesman-turned-mackerel fisherman Roger throws himself into the town’s annual charity bass fishing competition. But there are storms coming, causing an exodus of tourists from the harbour, hitting local businesses that depend on seasonal trade hard. BA
Children in Need Rocks the 80s
8.30pm, BBC One
The 1980s revival circuit has for a decade or so operated as a kitsch but surprisingly lucrative adjunct to mainstream pop. The circuit gains additional legitimacy with this back- and front-of-stage look at the recent A-ha and Bananarama fundraiser for Children in Need. Fearne Cotton and Sara Cox host, while Roman Kemp – though 24, in some ways a child of the 80s – prowls backstage for candid chat. Boy George does Purple Rain, too! JR
The Boy with the Topknot
9pm, BBC Two
Sacha Dhawan stars in this adaptation of journalist Sathnam Sanghera’s witty and heartfelt memoirs. As a young man, Sathnam makes a rare trip home, to tell his parents who he’s become, and uncovers a secret that changes what he thought he knew. Now he must reconcile opposing parts of himself: London and Wolverhampton; the media world and traditional Sikh life; modern romance and arranged marriage. EEJ
Gone to Pot: American Road Trip
9pm, ITV
The burgeoning over-50s celeb-reality genre steps up a gear, as a gang of faded stars tour California sampling medicinal marijuana. Everyone has chronic pain except Linda Robson, who’s struggling through the menopause; all are up for “wacky baccy” except John Fashanu, who worries it will make him aggressively practise martial arts. It’s all fun and games until Christopher Biggins pulls a whitey and Bobby George spews in a bag. JS
Storyville: Toffs, Queers and Traitors – Guy Burgess: The Charming Spy
9pm, BBC Four
There has long been a fascination in Britain with those three well-bred fellows Kim Philby, Guy Burgess and Donald Maclean, Russian spies operating under the nose of an inept establishment. Burgess, a gay, louche old Etonian forced to spend his final years in a dismal Moscow apartment, is especially intriguing. Drawing on recently declassified files, George Carey revisits Burgess’s life at Cambridge and beyond. DS
Major Crimes
9pm, Universal
It began life as a spin-off from The Closer but this sturdy procedural – starring former Battlestar Galactica space president Mary McDonnell as the commander of a senior LAPD unit tackling high-profile cases – has carved out its own niche with a likable ensemble of old hands. The sixth and final season gets under way with the disappearance of three Hispanic boys from a Catholic school’s field trip. Could a vocally racist neighbour be involved? GV
Inside the Ambulance
8pm, W
A second series of the documentary, broadcast each weeknight, following body-cam-clad paramedics of the West Midlands Ambulance Service. Tonight’s opener follows efforts to aid an unsuspecting diner undergoing anaphylactic shock due to the contents of a fellow diner’s meal. There’s a similarly desperate call to action as the victim of a knife attack requires an urgent 13-mile mercy dash to hospital. The crew’s unflappable calm is utterly impressive. MGJ
Film choice
About Elly (Asghar Farhadi, 2009) Monday, 1.05am, Film4
This subtly gripping psychological thriller from the Iranian writer-director of The Past and A Separation is set in a derelict seaside villa, where a group of well-heeled Tehran professionals are taking a break. Childminder Elly (Taraneh Alidoosti) is a young outsider who has been invited to cheer up the recently divorced Ahmad (Shahab Hosseini), but her disappearance opens a whole can of worms among the friends. Farhadi’s fascinating film, casting a forensic eye on the sexual politics of Iran, is close in tone to the work of Michael Haneke.
The Three Musketeers (Richard Lester, 1973) 9.30am, More4
Of the many screen versions of the Dumas classic, Lester’s energetic account is the most fun. It’s a rousing mix of knockabout action and coarse-grained humour, performed with obvious merriment by a starry cast including Michael York, Frank Finlay, Richard Chamberlain, Oliver Reed and Christopher Lee as the scheming Rochefort.
Live sport
Snooker: Shanghai Masters 11.30am, Eurosport 1
Coverage of the opening day of the ranking tournament.
Tennis: ATP World Tour finals 2pm, BBC Two
The afternoon session on day two from the O2 in London.
World Cup Football: Italy v Sweden 7.40pm, Sky Sports Main Event
The second leg of the play-off from the San Siro as Italy look to secure their spot in Russia.