A countdown of the top 40 "Blackadder" moments chosen by cast and crew members, celebrity fans and 15 genuine Blackadders.

Using testimonies by pioneers and witnesses of the times, delve into the feverish visual culture the media generated – with far-fetched examples of canine television games, seduction manuals, aerobics class while holding a baby, among others.

Take a stroll down Sesame Street and witness the birth of the most influential children's show in television history. From the iconic furry characters to the classic songs you know by heart, learn how a gang of visionary creators changed the world.

The unique life and talent of Caroline Aherne is celebrated in a new Arena film, featuring unseen photographs and contributions from a cast of her lifelong friends, including Steve Coogan, John Thomson, Craig Cash and producer Andy Harries.

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A celebration of NBC's 75 year history, featuring clips of special moments.

A retrospective of the work of the late actor Warren Oates, with clips from his films and interviews with cast and crew members who worked with him.

A feast of old chestnuts from the glory days of Christmasses past with this look at the rise and demise of the Christmas light-entertainment spectacular, from Christmas Night with the Stars to Val Doonican and Christmas Snowtime Special.

A look-behind-the-scenes at a television development that could be in everyone's home in just a few years' time. Reporter Angela Rippon tells the story of CEEFAX - the BBC's latest form of broadcasting. She visits Kingswood Warren where BBC Research Department 'boffins' developed it; and looks at some of its uses: News, weather, travel, sports results, farm prices and business information.

She is the grande dame of German and international cinema, always a bit of a rocker chick, freedom-loving, adventurous and willing to take risks. This portrait unfolds Iris Berben's career, which has spanned more than five decades - between the art of film and television, between rock 'n' roll and political commitment.

Shari Lewis was a dancer, singer, and magician but is best known as the ventriloquist behind sock puppets Charlie Horse, Hush Puppy and, of course, Lamb Chop. This lively doc charts the life, loves, and career hits and misses of this spunky perfectionist, who forever changed the face of children’s television.

imagine... follows celebrated British TV writer Russell T Davies as he prepares to return as the showrunner of Doctor Who – with two Doctors and bigger ambitions.