Seventh Dimension is the BBC

BBC

The British Broadcasting Corporation is a British public service broadcaster. Its headquarters is at Broadcasting House in the City of Westminster, London. It is the largest broadcaster in the world, with about 23,000 staff...

's regular radio

Radio

Radio is the transmission of signals through free space by modulation of electromagnetic waves with frequencies below those of visible light. Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space...

 slot for science fiction

Science fiction

Science fiction is a genre of fiction dealing with imaginary but more or less plausible content such as future settings, futuristic science and technology, space travel, aliens, and paranormal abilities...

, fantasy

Fantasy

Fantasy is a genre of fiction that commonly uses magic and other supernatural phenomena as a primary element of plot, theme, or setting. Many works within the genre take place in imaginary worlds where magic is common...

 and horror

Horror fiction

Horror fiction also Horror fantasy is a philosophy of literature, which is intended to, or has the capacity to frighten its readers, inducing feelings of horror and terror. It creates an eerie atmosphere. Horror can be either supernatural or non-supernatural...

. It is broadcast on the digital

Digital

A digital system is a data technology that uses discrete values. By contrast, non-digital systems use a continuous range of values to represent information...

 radio station BBC Radio 4 Extra at 6 p.m. (GMT in winter, BST

British Summer Time

Western European Summer Time is a summer daylight saving time scheme, 1 hour ahead of Coordinated Universal Time. It is used in the following places:* the Canary Islands* Portugal * Ireland...

 in summer), seven days a week and then repeated each day at midnight with host Nick Briggs. Most of the programs are full cast dramatizations

Radio drama

Radio drama is a dramatized, purely acoustic performance, broadcast on radio or published on audio media, such as tape or CD. With no visual component, radio drama depends on dialogue, music and sound effects to help the listener imagine the characters and story...

 and the remainder are book readings. The Seventh Dimension has hosted both standalone stories and serials. Most of the programs are drawn from the BBC's extensive archives and have previously been aired on other BBC stations. A few Seventh Dimension shows are new commissions, such as Undone

Undone

Undone may refer to:to reverse an actionIn music:*"Undone – The Sweater Song", a 1994 single by Weezer*"Undone" , a 1999 song*"Undone", A Backstreet Boys song from This Is Us*"Undone", a Pearl Jam song from Lost Dogs...

, The Spaceship

The Spaceship

The Spaceship is a science fiction comedy set in the year 2104 and onwards that premiered on BBC Radio 7 over the course of five days during the last week of June 2005...

and Planet B

Planet B

Planet B is a science fiction drama series first broadcast on BBC Radio 7 on 2 March 2009 as part of BBC Radio's science fiction season between February and March 2009. Planet B is set in a virtual world called "Planet B" in which people play as life-size avatars...

.