TV Guide Sky Nature Saturday

A look at Earth's most captivating bodies of water. Exploring the darkest depths of the sea to uncover the ocean's most mysterious inhabitants, and journeying across vast stretches of open water with humpback whales

Looking at how a Sprocker spaniel's sense of smell and the protective instincts of an Anatolian shepherd dog are playing a vital role in the conservation of endangered species. Plus, a couple of canine colleagues who protect aircraft from potentially dangerous bird strikes during take-off and landing. Using their natural speed, stamina and desire to chase, the pair works at King Shaka Airport in Durban, South Africa, responding to emergency call-outs from air-traffic control

A look at Earth's most captivating bodies of water. Exploring the darkest depths of the sea to uncover the ocean's most mysterious inhabitants, and journeying across vast stretches of open water with humpback whales

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

A further selection of creepy-crawly close-ups, focusing on courtship in the bug world. Highlights include scorpions shaking their booty, the perfume-wearing nasonia wasp and the tropical cricket, for whom romance goes out of the window as it uses bribery to seal the deal with would-be partners. One potential partner to steer well clear of, however, is the praying mantis, the female of which is notorious for eating the male just after - or even during - mating. Narrated by David Attenborough

Documentary exploring the lives of king penguins, filmed on the sub-Antarctic island of South Georgia over five months. The programme imagines what one penguin's life would be, following it during the challenging, awkward time between adolescence and adulthood. Presented by David Attenborough