Metallica appeared on The Tonight Show Starring Jimmy Fallon and Jimmy Kimmel Live! last year, and they’ve just announced that they’ll be appearing on The Late Show With Stephen Colbert next week. In between their shows here in the tri-state area, the heavy metal icons will join Stephen Colbert for the first time ever at the iconic Ed Sullivan Theater. Tune in or set your DVR’s to CBS on Monday at 11:35/10:35c!