Teen drama is used to refer to either movies, or TV series, where many of the important characters are teenagers. These kinds of series first started in the 1980s, with serials such as Degrassi Junior High. A TV series that was successful satarting with the 1990s was Beverly Hills, 90210.
The target audience for teen dramas are usually teenagers, and young adults. Very often, the themes covered include issues that are important to this group, such as the first love, teenage pregnancy, abortion, but also homelessness, and addiction to drugs or alcohol.