BBC Earth

How did the elephant get so big? Chris Packham explores the four-billion-year story of how a tiny cell evolved into complex, gentle giants.

Song Ji-hyo continues on the greatest challenge of her life: free diving with the legendary Haenyeo female underwater sea fishers.

Inspect an abandoned silo complex repurposed into a show-stopping art gallery, then visit a family home carved out of an ancient fortress.

Actor Sterling K. Brown joins Bear in the high mountains of Colorado, where they battle plummeting temperatures while descending a sheer rock face, track an elusive deer and rappel down a waterfall.

Steve Backshall heads out to find one of the UK's greatest predators: the dragonfly. He witnesses the aerial prowess of the hobby and dives underwater with the puffin.

Steve goes on a journey to meet the extraordinary people fighting to save one of the most important environments on earth: the coral reef.

Join Ryan and his team as they explore the city of Zurich and then set out from Vaduz in Liechtenstein to embark on this mammoth trek towards Montreux on the shores of Lake Geneva.

After a breathtaking repel from a helicopter, Bear and Hollywood actor Vanessa Hudgens evade a boulder avalanche, summit a massive dormant volcano, and come face-to-face with a rattlesnake.

From space Earth is a kaleidoscope. Turquoise plankton blooms trigger a feeding frenzy, China turns yellow with rapeseed flowers, and mysterious green lights appear in the ocean.

Joanna Lumley sets off on one her most epic voyages yet. A journey through the world's greatest spice continents. In this episode Joanna is heading to a collection of remote Indonesian islands.

Reza uncovers the mystery of human survival in Oman-one of the driest places on earth.

After a breathtaking repel from a helicopter, Bear and Hollywood actor Vanessa Hudgens evade a boulder avalanche, summit a massive dormant volcano, and come face-to-face with a rattlesnake.

From space Earth is a kaleidoscope. Turquoise plankton blooms trigger a feeding frenzy, China turns yellow with rapeseed flowers, and mysterious green lights appear in the ocean.

Reza uncovers the mystery of human survival in Oman-one of the driest places on earth.

Joanna Lumley sets off on one her most epic voyages yet. A journey through the world's greatest spice continents. In this episode Joanna is heading to a collection of remote Indonesian islands.

From space Earth is a kaleidoscope. Turquoise plankton blooms trigger a feeding frenzy, China turns yellow with rapeseed flowers, and mysterious green lights appear in the ocean.

Join Ryan and his team as they explore the city of Zurich and then set out from Vaduz in Liechtenstein to embark on this mammoth trek towards Montreux on the shores of Lake Geneva.

Reza uncovers the mystery of human survival in Oman-one of the driest places on earth.

Palin visits the idyllic islands of Los Roques, uncovering a Caribbean paradise, but tensions surface as he encounters the country's security forces.

Inspect an abandoned silo complex repurposed into a show-stopping art gallery, then visit a family home carved out of an ancient fortress.