TODAY | February 18, 2014
>>> new era has dawned at our home there. jimmy fallon kicked off his " tonight show " hosting duties welcoming the show back to new york with a star-studded debut katy, good morning to you.
>> he introduced himself, 39 from new york , married with a brand new baby. and with that, after let's call it a 42-year vacation in los angeles , the " tonight show " has returned to its new york roots.
>> reporter: they called his name --
>> jimmy fallon !
>> reporter: the curtain opens --
>> i'm jimmy fallon and i'll be your host for now.
>> reporter: and jimmy fallon brought it home.
>> i'm lucky to say my parents are here with us, they're here tonight, here to see me, mom and dad . love you guys. i wish i could have gotten you better seats, but this is a very hot show , dad. very hot show .
>> reporter: on the inaugural night of his " tonight show ," a barrage of star power .
>> to my buddy who said i'd never be the host of the " tonight show ," you know who you are, you owe me 100 bucks, buddy.
>> 14 special guests paid up. de niro , fay, namath, giuliani, carey, morgan, rivers -- kardashian, rogen, lohan, parker, tyson, gaga and colbert.
>> welcome to 11:30 [ bleep ]!
>> reporter: only the sixth host in the show's history, fallon knows he's got big shoes to fill.
>> it's all starting to sink in now. it's becoming real. and you're going like, wow, i can see everything now. this is actually going to happen.
>> and monday night when it actually did, will smith was there to offer a big vote of confidence.
>> you know, the " tonight show " is big and it's historic, but people are coming because of your heart.
>> reporter: it was a show to make history as u2 not only performed live on stage , but also on the top of 30 rock itself. the empire state building and one world trade glittering behind them. no better way to welcome the " tonight show " home.
>> reporter: and guys, it's getting crowded around here. jimmy fallon , seth meyers starts next week. i'm told there's a small surprise when you come back from sochi. they've taken your office and converted it into a green room for all the big stars coming here, matt.
>> that's okay. that's all right.
>> u2 hanging out in the green room .
>> reporter: you might not be allowed in, but they'll be there.
>> all right. good, katy, thank you very much. that was an amazing show and they're probably waking up today going, you mean we have to do it again tonight?
>> by the way, matt and al, you guys specifically your spandex get mentioned in the monologue.
>> happy to be part of it.
>> you are, indeed.
>> very proud.