Jimmy Fallon was originally supposed to take over when Jay Leno's contract expired in September 2014. However, Leno suggested that Fallon take over earlier in February, to take advantage of the ratings for the 2014 Winter Olympics.
The show's studio, NBC Studio 6B, was the same studio from which The Tonight Show Starring Johnny Carson (1962) was originally broadcast. This was the first time "The Tonight Show" was regularly broadcast from New York City since Carson moved the show to Burbank in 1972.
In June 2015 Jimmy Fallon almost lost his finger after tripping over a braided rug in his kitchen. After surgery, for a few weeks, he presented the Tonight show with a bandage on his hand. In October that same year, he fell again at an event at Harvard. The following Tonight show, he started with the words "I'm your host, Trippy Fallon".
Instead of calling out the actual show number during the opening, sometimes Quest Love will yell out the name of a city that falls in that show's number's zip code (first three numbers). For example, Show #902, he might say "Beverly Hills", because Beverly Hills' zip code is 90210.
As of 2016, the various games Jimmy plays with his guests are Water War, Charades, Pictionary, Faceketball, Pool Bowling, Hamster Ball Race, Egg Russian Roulette, Sticky Balls, Flip Cup, Tight Pants, Wheel of Impressions, Beer Hockey, Password, Catchphrase, Face Balls, Facebreakers, Beer Pong, Musical Beers, Cooler Scooter Race, Roller Golf, Beatbox, Chubby Bunny, 5-Second Summaries, True Confessions, Dubsmash, Slap Jack, Fast Family Feud, Instant Song, Pup Quiz, Explain This Photo, Drinko, The Whisper Challenge, Kid Dictionary, Random Object Football Toss, First Impressions, among others.
Jimmy Fallon married Nancy Juvonen in 2007. They have two daughters, Winnie Rose (2013) en Frances Cole (2014). They also have a female dog named Gary Frick. When puppies are used at The Tonight Show one of them is always named Gary Frick jr.
Jimmy Fallon had to keep it a secret that he was hosting The Tonight Show, even from his family. He didn't tell his parents he would be hosting the show until the night before the announcement was made public.