Featuring terrified backpackers who have been shipwrecked off the coast of Panama and the survivors of Hurricane Katrina in New Orleans.
Vi surfar med delfiner, är med mitt i sillstimmet när späckhuggarna attackerar, sitter med vid bordet när hajarna frossar på ett gammalt valkadaver djupt ner på havets botten. Hur har de kunnat filma detta? Svaren ges i kvällens fristående avslutning på Blue Planet II.
På sin väg från Arktis till Antarktis har Steve nått Brasilien. Han beger sig till det väldiga vattenriket Pantanal där han inte bara stiftar bekantskap med de tuffa jätteuttrarna utan också med sitt drömdjur, jaguaren.
Alaskans get a brief respite from winter's fury with the end of the thaw.
Dr Chris and Dr Xand van Tullekan uncover how new skills are developed, whether riding a bike or learning to walk. They reveal the unexpected link between heartbeat and the ability to talk. They also show how memories are formed in brains.
The Marsh Pride of Kenya's Masai Mara is in a unique situation in their history. They have been abandoned by all of the adult males, and just two adult females are left to feed and protect their eight youngsters. The future of the whole family rests entirely on the shoulders of these two mothers, Charm and her cousin Sienna. They need to raise their cubs to adulthood if this great dynasty is to continue, and they all face the great perils of the African savannah.
In Kavik, Sue Aikens makes a cost-effective hunting weapon using harvested materials. The Hailstones embark on a family harvest.
Celebrating the highlights from the series, from the intense heat of the tropics to the planet's frozen poles, through to its unexplored depths. New worlds and extraordinary never-before-seen animal behaviours are revealed.
As winter approaches, the Hailstone family receive news of some land they have inherited. Meanwhile, after being stranded for days, Glenn attempts to return to his remote cabin.
Featuring revellers at a Belgian music festival after a freak storm flattened their marquee and a fisherman got swept off a pier and thrown into icy waters.
The leader of a great painted wolf family is growing old, and her power to keep the peace is waning. Tensions are rising, and a feud with her ambitious daughter whose own pack is running out of space threatens to bring the dynasty down.
Discover a storm chaser's shocking footage as he finds himself caught in the eye of the wildest tornado in recorded history and lives to tell their tale.
In the Kalahari Desert, Naomi gets caught in a mighty electrical storm whilst trying to track down the elusive, armoured and acid-squirting pangolin.