TV Guide Sky Showcase Saturday

Documentary following the work of Ireland's border force officers as they fight to stop gangs of organised smugglers from bringing drugs, money, guns, cars and even exotic animals into the country

Documentary following the work of Ireland's border force officers as they fight to stop gangs of organised smugglers from bringing drugs, money, guns, cars and even exotic animals into the country

A look at the biggest laugh-out-loud moments and most comical incidents from the world of Premier League football. Featuring interviews with the great and good of the game, as well as contributions by pundits including Gary Neville and Chris Kamara and a range of comedians

Mr Burns is given six weeks to live, and the town erupts into a party mood. Shocked by their reaction, he decides to take his own life and jumps off a cliff, but fate intervenes and he suffers from a bout of amnesia

After spending weeks nursing an injured pigeon back to health, Bart is left distraught when Santa's Little Helper eats his feathered friend. Things go from bad to worse for the mischievous greyhound when a psychiatrist recommends the family finds the dog a new home. Featuring the guest voice of Rachel Weisz

Homer is persuaded to go undercover to win the trust of Fat Tony as part of an FBI operation to bring the mobster down after an incident involving recycling responsibilities and bribery. With the voice of Jon Hamm (Mad Men)

The broadcaster invites viewers to join him as he takes an after-hours stroll around one of his favourite places, the Natural History Museum. But this is no ordinary tour as some of the many exhibits spring to life as the veteran naturalist strolls along

Following his visit to the Great Barrier Reef in 1957, naturalist and broadcaster David Attenborough returns and uses the latest filming techniques to unlock the secrets of the natural wonder. In the first edition, he descends beneath the waves at night and uses cutting-edge technology to generate computer scans of the sea floor. He also learns about a complex community of animals, as well as the annual coral spawning, which is responsible for the great diversity in the reef

Using the latest technology, the naturalist explores the shark-infested waters of Osprey Reef in the Triton submersible, before returning to the nesting grounds of the Green Sea Turtle, 60 years after his first visit to Raine Island. He also marvels at manta ray cleaning stations on Lady Elliot Island, and tracks dwarf minke whales to discover their surprising reasons for returning, and why the reef is vital for their survival

The naturalist examines what the next few decades may hold for this remarkable ecosystem, and looks at the work of scientists who are trying to preserve the area and the species that inhabit it, assisted by research vessel the Alucia. He also embarks on an ambitious attempt to dive further into the reef than ever before to witness the resilient coral that live down in the depths and see if they hold answers that may help to overcome challenges that lie ahead, as the impact of humans on the reef continues to take its toll