“america’s got talent” (8 p.m., nbc): “America’s Got Talent”

“america’s got talent” (8 p.m., nbc): “America’s Got Talent” announces its winner tonight, but not before an overbloated two-hour finale that includes a performance by Justin Bieber.

“glee” (9 p.m., fox): “Glee” launches its post-graduation season with a split personality, jumping between Ohio and New York, where Rachel (Lea Michele) meets a hunky upperclassman (Dean Geyer) who catches her eye.

tv listings, b6