query: When was Buffy the Vampire Slayer aired?
passage: Buffy the Vampire Slayer
The series premiered on March 10, 1997, on The WB and concluded on May 20, 2003, on UPN. The series narrative follows Buffy Summers (played by Sarah Michelle Gellar), the latest in a line of young women known as "Vampire Slayers", or simply "Slayers". In the story, Slayers or the 'Chosen Ones' are "called" (chosen by fate) to battle against vampires, demons, and other forces of darkness. Being a young woman, Buffy wants to live a normal life, but as the series progresses, she learns to embrace her destiny. Like previous Slayers, Buffy is aided by a Watcher, who guides, teaches, and trains her. Unlike her predecessors, Buffy surrounds herself with a circle of loyal friends who become known as the "Scooby Gang".
passage: The WB
The WB first began to experience success with "Buffy the Vampire Slayer" (a series based on the 1992 film of the same name), which became a hit with critics when it premiered as a mid-season replacement in March 1997. It debuted with the highest Monday night ratings in the network's history, attracting not only new teenage viewers, but new advertisers as well.