Girlfriends is an American comedy-drama

Comedy-drama

Comedy-drama is a genre of theatre, film and television programs which combines humorous and serious content.-Theatre:Traditional western theatre, beginning with the ancient Greeks, was divided into comedy and tragedy...

 sitcom

Situation comedy

A situation comedy, often shortened to sitcom, is a genre of comedy that features characters sharing the same common environment, such as a home or workplace, accompanied with jokes as part of the dialogue...

 that premiered on September 11, 2000, on UPN

UPN

United Paramount Network was a television network that was broadcast in over 200 markets in the United States from 1995 to 2006. UPN was originally owned by Viacom/Paramount and Chris-Craft Industries, the former of which, through the Paramount Television Group, produced most of the network's...

 and aired on UPN's successor network, The CW, before being cancelled in 2008. The final episode aired on February 11, 2008.

When Girlfriends returned in fall 2007 for its eighth season in the same time slot, it became the longest-running live-action sitcom on network television at the time, as well as one of the highest-rated scripted shows on television among African American

African American

African Americans are citizens or residents of the United States who have at least partial ancestry from any of the native populations of Sub-Saharan Africa and are the direct descendants of enslaved Africans within the boundaries of the present United States...

 adults and women 18-34, including its spin-off The Game.
The series debuted on UPN on September 11, 2000.