The four-time host enlisted the help of former boxer Mike Tyson, who had his own one-man show on Broadway, and promised a "bigger" show than last year.
Harris also cracked jokes about Hollywood's film adaptation of the Broadway classic, "Les Miserables."
“Can I have my ‘Tom Hooper Les Miz closeup’ please?” Harris joked. “On Broadway we don’t need extreme closeups to prove we’re singing live.”
Millions of Getty images now available for free via embed tool
NBC reportedly holds celebs hostage to Jimmy Fallon's show