ABC’s The Superstars, NBC’s America’s Got Talent 4, Bravo’s NYC Prep debut tonight
Three notable new series debut tonight, but they’re pretty different. At 8 p.m. ET, in the wake of Susan Boyle, NBC debuts the fourth season of America’s Got Talent, which has a new host, Nick Cannon. Also at 8, ABC resurrects the 1970s series The Superstars at 9 p.m. ET, pairing “celebrities” with pro athletes …