BBC Two Sunday, 22 September Find out what's on TV.

Countryfile

The Ministry of Defence is not only responsible for the nation's security, but they are also one of the UK's major landowners. Charlotte and Matt have security clearance to enter their largest site, Salisbury Plain, where they find out how the MoD maintain a balance between military training, farming and conservation. Matt dons his waders and meets a team looking after a threatened and vitally important chalk river.

Weatherman Walking

Barry-boy 'Derek the Weather' is on familiar ground when he starts his walk at Porthkerry, next to his home town.

Breakfast

The BBC's Breakfast programme features the latest news, sport, business, weather and other items on a daily basis.

Beechgrove Garden

In this episode, George Anderson and Calum Clunie help cut down on those unwanted plant pests. The pair select varieties that provide great ground cover as they grow, and that ground cover will help limit the spread of weeds in future seasons.

Landward

With harvest in full swing, Dougie visits a Fife arable farmer recognised as a 'climate hero' for using pioneering techniques to grow crops that are both profitable and sustainable. Meanwhile, Cammy joins a fellow farmer selling ewe lambs at Ayr auctions to find out how sheep trade prices are holding up this season, and Anne helps harvest flax in East Lothian and discovers how this old crop is finding a new look.

Saturday Kitchen Best Bites

Theo Randall launches the menu with a delicious Italian fish supper before Gemma Ogston cooks up her veggie-packed rainbow curry. Yotam Ottolenghi makes an epic rolled pavlova topped with blackberries and peaches.

The Long, Hot Summer

A drifter's arrival in a small Mississippi town has an unsettling effect on the members of a wealthy family, who decide that he is a potential suitor for their daughter.

UCI Cycling World Championships LIVE

Live road racing action from Zurich, Switzerland, as the world's elite male riders tackle the individual time trial on the picturesque 46.1km course.

Flog It!

Paul Martin presents from Croome, a stately home in Worcestershire. Antique experts Natasha Raskin and David Fletcher scour the crowd to find objects to take off to auction.

PGA Championship, PGA European Tour Golf

Eilidh Barbour presents highlights from the final day of the European Tour's PGA Championship at Wentworth's celebrated West Course in Surrey. The previous three titles were claimed by a single stroke, and Rory McIlroy is among the former winners seeking another crown. Other previous champions include Shane Lowry and Francesco Molinari, while New Zealand's Ryan Fox is vying to become the first player to retain the title since Europe's Ryder Cup captain Luke Donald in 2012.

Incredible Journeys with Simon Reeve

Simon focuses on some of the dodgiest and most dangerous situations he's found himself in while travelling the globe - from coming under fire in war torn Mogadishu to squaring off with a female wrestler in Mexico City.

Big Cats 24/7

Competition for food becomes fierce as lion numbers rise; a lioness risks her life to feed her five cubs; Xudum's newborn leopard cubs face a deadly threat.

Mortimer and Whitehouse: Gone Fishing

Paul and Bob are fishing for tench - a fish they have not targeted since the first series. They arrive at Rocklands Mere, a secluded hidden gem in the quaint village of Rocklands St Peter and settle down to fish.

QI

Bridget Christie, Mark Watson and Johnny Vegas look at saints and sinners.

The Best Man: The Final Chapters

Harper is a best man yet again when his friends reunite in paradise for Quentin's impending nuptials; Jordan, Lance, Murch, Robyn, Candace and Shelby each react differently to Harper's chance to turn "Unfinished Business" into a movie.

The Best Man: The Final Chapters

Lance finds inspiration at Quentin's wedding; Jordan questions her work-life balance; Harper makes a decision about "Unfinished Business: The Movie"; Candace and Murch reframe their relationship; Robyn searches for peace; Shelby declares war.

The Last Black Man in San Francisco

Question Time

Features a studio audience quizzing top politicians on the events of the day. The panel surrounding presenter Fiona Bruce is composed of at least one member of the three major parties.

Nightsleeper

When the cyber attack on the rail network prevents Abby from seeing the obstacles in the sleeper's path, she realises that she's in race against time to avert disaster. But with Liz Draycott, the Minister of Transport, proving to be a less-than-ideal replacement for Joe as her onboard ally, and the so-called Driver always seeming to be one step ahead, it becomes clear that she's going to have to think outside the box to bring the train to a halt.

We Might Regret This

Freya and Abe go away together for the first time by themselves, and Jo helps Levi with his first food truck gig for a family friend and tries to keep it professional.

This Is BBC TWO

Preview of upcoming programmes from BBC Two.