The government has revealed the findings of an independent review into the BBC's digital television services. BBC News Online profiles the channels involved.
BBC THREE
Went on air: 9 February 2003
Target audience: 25 to 34-year-olds
What the BBC says:
BBC Three aims to offer an intelligent, ambitious mix of programmes which reflect the things that matter to young British adults.
The channel is committed to a mixed schedule of news, current affairs, education, music, arts, science and coverage of international issues, as well as to high-quality, innovative drama, comedy and entertainment.

Programmes: Little Britain; Monkey Dust; Little Angels; Trauma; Grease Monkeys
Who are its biggest stars? Matt Lucas, David Walliams
BBC FOUR
Went on air: 2 March 2002
Target audience: "Anyone interested in culture, arts and ideas"
What the BBC says:
With an ambition to be the UK's most intellectually and culturally enriching television channel, BBC Four balances a distinctive mix of documentary, performance, music, film and topical features.

Programmes: Journeys from the Centre of the Earth; Dinner with Portillo; Family Ties; QI; The DVD Collection
Who are its biggest stars? Michael Portillo, Dr Iain Stewart, Stephen Fry
CBBC
Went on air: Monday 11 February 2002.
Target audience: Six to 13-year-olds
What the BBC says:
The CBBC Channel offers a distinctive mixed schedule for children, encouraging them to find out more about existing interests or inspiring them to develop new ones and helping them to understand and embrace the world around them.
The channel puts a strong emphasis on encouraging participation.

Programmes: Beckham's Hotshots; Bamzooki; Best Of Friends; Xchange; Born to Boogie
CBEEBIES
Went on air: Monday 11 February 2002
Target audience: Five-years-old and under
What the BBC says:
CBeebies offers new high-quality, mainly UK-produced programmes to educate and entertain the BBC's youngest audience.
The service provides a range of pre-school programming designed to encourage learning through play for children aged five and under, in a consistently safe environment.

Programmes: Big Cook, Little Cook; Boo!; Little Red Tractor