Boasting an amazing selection of the most watched, most influential and most highly acclaimed programmes ever made, The 50 Greatest Television Dramas presents a long overdue assessment of the rich heritage television drama has to offer. Channel 4 invited over 200 of Britain's top television drama professionals – writers, directors, producers and commissioners – to take part in an exclusive poll to discover what they consider the finest dramas ever produced.

In the year 10,191, the most precious substance in the universe is the spice Melange. The spice extends life. The spice expands consciousness. The spice is vital to space travel. The spice exists on only one planet in the entire universe, the vast desert planet Arrakis, also known as Dune. Its native inhabitants, the Fremen, have long held a prophecy that a man would come, a messiah who would lead them to true freedom.

To win the right to marry his love, the beautiful princess Andromeda, and fulfil his destiny, half-God-half-mortal Perseus must complete various tasks including taming Pegasus, capturing Medusa's head and battling the feared Kraken.

Documentary about the painters Augustus John and James Dickson Innes who, in 1911, left London for the wild Arenig Valley in North Wales. Over three years, they created a body of work to rival the visionary landscapes of Matisse.

The army of the Marauders, led by King Terak and the witch Charal, attack the Ewoks village, killing Cindel's family. Cindel and the Ewok Wicket escape and meet Teek in the forest, a naughty and very fast animal. Teek takes them to a house in which an old man, Noa, lives. Like Cindel, he also crashed with his Starcruiser on Endor. Together they fight Terak and Charal.

In 19th century New York high society, a young lawyer falls in love with a woman separated from her husband, while he is engaged to the woman's cousin.

On his ninth birthday, young Gwyn (Osian Roberts), who lives on a remote hill farm in Wales, receives five strange gifts from his grandmother (Siân Phillips): a piece of seaweed, a yellow scarf, a tin whistle, a metal brooch and a small broken horse. Gwyn offers the brooch to the wind and receives back a tiny silvery spider - Arianwen, the snow spider - confirming that, as his grandmother had already guessed, he has inherited magical powers from his Celtic ancestor Gwydyon, a powerful magician whose exploits are described in the fourth book ("Math Son of Mathonwy") of the Mabinogion. With the help of the snow spider, Gwyn embarks on adventures involving other worlds of snow and silver, as he attempts to solve the five-year-old mystery of his sister Beth's disappearance in a snow storm.

Young magician Gywn and his friend Nia have been warned to stay away from Emlyn Llewelyn, the strange boy who claims his mother lives on the moon. And yet, a mysterious magic continues to draw them to him. But why? It's up to Gwyn and Nia to solve the mystery, with the help of Arianwen, the Snow Spider.

A community is sleeping. If you listen closely, you can hear their dreams. The retired sea captain yearning for his lost love. The landlady living in terror of her guests. A father who can no longer access his memories. A son in search of redemption. As they awake to boiled eggs and the postman, the residents of a small Welsh village juggle old secrets and new realities.

Gwyn can feel danger coming in the wind. Somehow he knows the warnings have to do with the broken toy horse that holds the evil spirit of a prince who lived long ago. When Gwyn discovers that the prince's dark soul has escaped from the horse and is seeking revenge Gwyn, Emlyn, and Nia have to figure out how to save the mysterious soldier who claims to be Nia's distant cousin. With the help of the Snow Spider, can they recapture the prince's soul without hurting the Chestnut soldier?