Sept. 23, 2011 | 5:02 p.m.
When Joss Whedon brought “Buffy the Vampire Slayer” to TV in 1997, no one had very high expectations for the show. But beyond the cult reputation and the scores of academic books it spawned, it was also a talent discovery engine. “Buffy” and its spinoff, “Angel,” launched the careers of countless actors and writers who are all over the fall TV season — not least of which is Sarah Michelle Gellar, who returns to prime time in “Ringer” after a long absence from television. Meanwhile, David Boreanaz is solving homicides on “Bones,” Alyson Hannigan is bringing on the laughs in “How I Met Your Mother,” Felicia Day is tearing up the Internet with “The Guild,” and “Buffy” mastermind Whedon is directing a new set of superheroes in “The Avengers.” “Buffy” fans and newcomers can catch up on the slayer set […]