TV Guide Sky Showcase Sunday

Rowdy tourists cause problems in Reading, a routine stop gets out of hand for police in Slough, and an officer has a lucky escape after being involved in a head-on collision. Plus, footage of a pursuit involving six patrol cars, a helicopter and three stingers

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle drug runners, illegal immigrants and terrorists

Michael and Jan reveal their secret romance at the office party as everyone lets their hair down for happy hour, and Jim meets Karen's former flame. American remake of the sitcom set in a paper supply company, starring Steve Carell

Michael and Darryl send Dunder Mifflin HQ a deputation demanding an increase in salary. Pam's confession to Roy creates a problem for Jim. US remake of the sitcom set in a paper supply company, starring Steve Carell

Liverpool V Manchester United (Kick-off 12.00pm). Coverage of the match between the rivals from Totally Wicked Stadium in St Helens. Liverpool claimed a 3-1 win at Anfield in last season's corresponding fixture, but two of those goals were scored by Olivia Smith, who has since moved to Arsenal for a world record fee

Homer buys a handgun to protect his family, but begins using it to perform all kinds of household tasks - prompting Marge and the kids to leave home and move into a sleazy motel

Ned Flanders resigns as coach of Springfield's junior football team, so Homer takes his place - and tries to make up for his own childhood shortcomings on the sports field by giving Bart the role of star quarterback. Featuring the guest voices of Joe Namath and Mike Judge

Bart has his ear pierced, while Homer is fired from the nuclear power plant and finds a new job - as the captain of a submarine in the US Navy. Featuring the guest voices of Rod Steiger and Bob Denver

David Attenborough employs the latest technologies to explore the violence, rivalries and deadly weaponry existing within the world of bugs. This first episode examines the survival tactics of its terrifying residents including killer ants, trap-setting spiders and beetles with the ability to shoot boiling chemicals at their enemies

The broadcaster continues his bug-eyed view of the world of creepy-crawlies, revealing how predators defuse the defences of their prey. Highlights include the cockroach wasp, busy preparing a tasty - and very live - treat for its young, the whirligig beetle, which employs a water-based radar system, and the jumping portia spider, which feeds on other arachnids

Part one of two. The naturalist explores the evolution of vertebrates over the past 500 million years, beginning with a look at how remarkable advances allowed primitive fish to make the radical move on to land, and then take to the skies with the advent of flight. He uses fossils of both ancient and living species combined with CGI and film to chart their journey out of the water to populate all corners of the globe

The Proactive team looks for a burglar on a rooftop, but the hunt is cut short when officers are called away to chase a stolen car in Reading, while in Slough, Charlie and Mish encounter a criminal who takes drugs in full view of police officers

The Proactive Squad from Thames Valley Police uses unmarked cars fitted with on-board video cameras to give an intriguing insight into how they deal with robberies, street fights and domestic violence