A look at TV shows from the ’90s, from animated hits “South Park” and “Beavis and Butt-Head” to sitcoms “Seinfeld” and “Friends”” to dramas “My So-Called Life” and “The Sopranos.”
The series opens on a seemingly ordinary day, October 6, 2009, which soon becomes extraordinary when at 11:00 a.m. Pacific Time, as everyone in Los Angeles blacks out for two…