Peng Yu Sai

A professor develops an extraordinary relationship with an octopus when he invites it to live in his home. The octopus, called Heidi, unravels puzzles, recognises individual humans and even watches TV with the family. The episode also shows remarkable behaviour from around the world - from the day octopus, which can change colour and texture in a split second, to the coconut octopus, which carries around its own coconut shell to hide in. But most fascinating of all is seeing how Professor David Scheel and his daughter Laurel bond with an animal that has nine brains, three hearts and blue blood running through its veins.

1960s Egyptian documentary showing scenes of local life along the banks of the River Nile, with narration by Salah Jahin

In the 1950s, a devastating fog descended on London and enveloped the capital for several days, leaving Londoners lost in their own streets in one of the UK's biggest peacetime catastrophes.

An educational film about the life cycles of various types of pond life.

An observational documentary, shot on high-contrast black and white 16mm film, about a largely undeveloped river in southeastern North Carolina that is home to the oldest trees east of the Rocky Mountains.

A coming of age story following a young meerkat pup, Kolo, growing up in the Kalahari desert; and an inspiring look at how one family's connection to each other and their surroundings is a model of resilience and fortitude for us all. Shot using ground-breaking techniques, this dramatised documentary is a one-of-a-kind presentation from The Weinstein Company and the BBC, featuring narration by Paul Newman.

Sea life in a whole new way. Deep Sea 3D, an underwater adventure from the filmmakers behind the successful IMAX® 3D film Into the Deep, transports audiences deep below the ocean surface. Through the magic of IMAX®; and IMAX 3D, moviegoers will swim with some of the planets most unique, dangerous and colorful creatures, and understand this inspiring underworld.

Fall in love with our Avon and the people fighting to protect it, the Bristol way! Rave On For The Avon is a feature-length documentary film that follows campaigners and river lovers through six seasons: their highs and lows, love and loss.

At the border between Navarre and Aragon we find the moors known as the Bardenas Reales, characterized by the dust and the omnipresence of the northern wind. This is a portrait of a land, but also a journey through Pilar’s memories. It is a glance at the past but also the present, and about how everything has changed, for better or worse.

In Guangdong Yangchun, a large number of villagers have been suffering from strokes and cancers after some dangerous heavy metal waste has been illegally discharged in the villages. Artist Nut Brother decides to take action. With his team, he creates a group of Heavy Metal music and plays at sites that have been poluted by heavy metals to raise awareness among the population.