Just when you thought there was nothing left to reboot , remake or revive, TV is riding a new wave of nostalgia. And this time, there’s a turn-of-the-century twist. Shows from the late 1990s and early 2000s are back in play: “ Scrubs ,” which ran from 2001 to 2010, relaunches on ABC on Feb. 25 with new and returning cast members. Sarah Michelle Gellar returns as part of the “Buffy, the Vampire Slayer” (1997-2003) sequel series from Chloé Zhao, expected to premiere on Hulu in 2026. And Disney+