Jimmy writes his weekly Thank You Notes, then catches up with Mariah Carey and Marcus Mumford before welcoming musical guest Mumford featuring Monica Martin.
Jay Leno is due to depart his seat as anchor of 'The Tonight Show' after the coverage of the Winter Olympics in February 2014. Jimmy Fallon will then move away from his 'Late Night' slot to the earlier slot. Lorne Michaels will executive produce the show which will air from New York's 30 Rockefeller Plaza.