Stephen Colbert and James Corden are back in the studio! The CBS late-night hosts, who have been filming and from their homes amid the coronavirus pandemic for the past few months, have returned for in-studio tapings this week.Colbert kicked off Monday's episode of by sharing he was «so happy» to be back. «I'm back in New York City, as you can see,» he said during his opening monologue. «Here, in the historic Ed Sullivan theater's office building.