TV Guide Sky Showcase Sunday

Chris and Simon arrest a biker who is armed with nunchucks, while Charlie and Ruffy pursue a boy racer. Elsewhere, pensioners cause problems on the road, and shopkeepers in America fight back against would-be thieves

Simon and Chris chase a drug dealer on a Milton Keynes estate, and an illegal driver tries to fool Charley and Roma by giving them false documents. Meanwhile, Ruffy is required to deal with a man who has forgotten his home address

Another edition of the fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports, following customs and immigration officers as they go about their daily business of tackling drug runners, illegal immigrants and terrorists

Another edition of the fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports, following customs and immigration officers as they go about their daily business of tackling drug runners, illegal immigrants and terrorists

Another edition of the fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports, following customs and immigration officers as they go about their daily business of tackling drug runners, illegal immigrants and terrorists

Homer develops a knack for cooking and challenges Marge to a baking contest. Determined to win at any cost, she resorts to cheating in a bid to avoid humiliation. Meanwhile, Bart holds a 'Playdude' party attended by Hollywood veteran James Caan

Lisa is teased mercilessly by her classmates for having a weight problem. Marge learns school bully Nelson Muntz has never had a paternal role model and invites him to live with the family - much to Bart's dismay

Marge is left feeling jealous and dejected by an encounter with old school friend Chloe (guest star Kim Cattrall), who has found fame, fortune and success as a high-flying investigative journalist

The broadcaster explores the Galapagos, a collection of volcanic islands in the Pacific known for its extraordinary wildlife. More than 150 years after Charles Darwin formulated his ground-breaking theory of evolution on the remote archipelago, Attenborough explains how life on the islands has continued to evolve in biological isolation, examining how the ever-changing volcanic landscape has given birth to species and sub-species that exist nowhere else in the world. He begins by revealing how Galapagos rose from the ocean four million years ago

The broadcaster reveals how life has learnt to adapt quickly in the ever-changing volcanic landscape, resulting in species that exist nowhere else in the world. David investigates the driving forces behind their evolution, exploring the appearance and behaviour of remarkable creatures and vegetation including giant whale sharks, marine iguanas and seemingly normal dandelion seeds that grow into plants the size of trees

Two rivals in the bookshop business fall in love over the internet, unaware they know and dislike each other in the real world. While things remain frosty in person, the pair's anonymous online relationship continues to blossom. Romantic comedy, starring Tom Hanks, Meg Ryan, Greg Kinnear, Parker Posey and Dabney Coleman.

Roma and Ronnie are shocked when a driver in Slough, Berkshire, records the highest reading they have ever seen in a breathalyser test, and Chris captures an innovative supermarket thief. The Liverpool Air Support Unit uses heat-sensing cameras to track down a criminal who has taken refuge underneath Blackpool pier

A Michigan driver demolishes a house with his van, police get a surprise when they raid a suspect's home, and officers chase a burglar who is determined to escape. Plus, footage of drunk drivers and speeding youths