Fifty years (-ish) after the Beatles made their Stateside debut on The Ed Sullivan Show, history has repeated itself: On The Late Show With Stephen Colbert Wednesday night, Colbert gave the BTS boys a proper introduction at the Ed Sullivan Theater. Come for a new group of “mop-topped heartthrobs,” stay for Stephen Colbert talking in an old-timey voice! “They’re called BTS. People are so excited, they’re it calling BTS mania. Now these boys aren’t from America; they’re from across the pond,” Colbert explains. “The big one. The one with Hawaii in the middle.” BTS Army meet your BTS-mania roots.