Channel 4 and Channel 5 target different audiences. Channel 4 targets adults aged 18-35 and produces a wide range of programming from comedies and dramas to documentaries and news. It commissions content from over 300 independent UK producers. In contrast, Channel 5 targets younger audiences aged 2-30 with many children's programs. It also produces reality shows like Celebrity Big Brother that appeal to younger viewers. Both channels have sister channels but Channel 4 owns more, including E4, Film4, and 4Music.