And featuring the legendary roots crew. Questlove 607, new york yeah steve and now, here he is, jimmy fallon [ cheers and applause ] jimmy oh [ cheers and applause ] oh i love you thats a hot crowd, right there. Welcome everybody, welcome. Welcome, welcome, welcome, welcome. Good looking crowd. I love you i love you. Welcome, everybody. Welcome to the tonight show. Im your host jimmy fallon. [ cheers and applause ] you did it. You made it, you made it. I love you, jimmy jimmy i love you, too. Heres what people are talking about. Of course, today donald trump was sworn in as the 45th president of the united states. Now, some people [ cheers and applause ] some people watched it on tv. Some people watched it on the internet and many people watched it like this [ laughter and applause ] at the ceremony trump repeated each line of the oath after chief Justice John Roberts said it and trump was like, wait. Now, whos president . You or me . Are we both . [ laughter and applause ] what happened . What just happened . And maybe it was just me but while trump was taking the oath i noticed something about his right hand, as the oath went on. See if you can notice this. Watch this. Please raise your right hand and repeat after me. I, Donald John Trump do solemnly swear. I Donald John Trump do solemnly swear. That i will faithfully execute. That i will faithfully execute. [ laughter ] the office of president of the united states. The office of president of the united states. [ cheers and applause ] jimmy do you see what i see . Steve i see it, his hands are too tiny. Jimmy do you see what i see . I dont know. Steve i saw that. I saw that with my own eyes. Jimmy in his defense, it was very cold out. It was very cold out. [ light laughter ] steve yeah, very very chilly. Very chilly. Jimmy guys, listen to this. I read that donald trump had to give up his old cell phone and switch to a new phone, issue to him by the secret service. Which is why today trump answered his phone by saying, new president , who dis . [ cheers and applause ] ring ring. New president , who dis . This is pretty, big. Today, Hillary Clinton attended Donald Trumps swearing in. In fact, she did most of the swearing. And, uh [ laughter and applause ] and something very unusual happened here in new york city. Two of our tabloid newspapers, the New York Post and the New York Daily News ended up using the exact same pun headline. Take a look at this. Don of a new day. They both used it. [ light laughter ] hard to believe that they both had to use the same pun headline when theres so many available. I mean, for instance. The post could have gone with hair force one. I mean [ laughter and applause ] thats not bad. Daily news couldve gone with, orange you glad you voted for gary johnson . [ laughter ] do you see what im saying . There were options that they could have went with. They like it. I heard that only about 10,000 people went to Donald Trumps inauguration concert last night. More people would have been there, but when showed up they were told the concert was three doors down. [ laughter and applause ] all right. Steve hey, oh jimmy that was for the kids. [ rim shot ] steve come on jimmy ah steve for the kids. Jimmy of course, there were some people who were really excited to see trump moving into the white house. His neighbors back here in new york at trump tower. [ applause ] heres what they had to say. This trump tower resident said as soon as donalds moving truck pulled away i did the worm for two straight hours. [ laughter ] thats a lot of worming. Steve thats a lot of worming. Jimmy yeah. This one said, for 19 years i pretended like i didnt speak english so i didnt have to talk to him in the elevator. [ laughter ] no habla ingles. And, finally, this dog said, oh thank god, every time he walked by, his hair would growl at me. [ laughter and applause ] [ growl ] this is kind of crazy. But i saw that, according to a a new report, the most common password in 2016 was 123456. [ light laughter ] yeah. And were still wondering how the russians managed to hack us. [ laughter and applause ] you really if that doesnt work, try password. Finally, some good news, you guys. This week, nbc announced that will grace will return for ten episodes. [ cheers and applause ] but i read that the apartment where will and grace lived would cost over 6,500 a month with todays rent prices. Yeah, which explains the shows new title, will and grace and jeff and pete and mark and jennifer and katie. That should be enough to cover it. [ laughter ] we have is a great show tonight. We do give it up for the roots [ cheers and applause ] [ cheers and applause ] jimmy thank you very, very much. Thank you for being here. Thank you for watching today. Today was the inauguration. It was a big day today. I was watching it on tv and our whole office was. It was an historic day, but also kind of a weird day. Kind of an odd day because i dont think any of us could have predicted that a year ago donald trump would be our president. So its been a lot of mixed emotions today. Democrats are angry at trump. Trump supporters are angry at protestors. Everybodys angry at three doors down. [ light laughter ] steve true. [ laughter ] hey. Jimmy but i think the most encouraging thing i saw today, it was great, was seeing barack obama shake hands with donald trump. I thought that was setting a a good example, and setting a a good example [ cheers and applause ] it was good setting the example, that at the end of the day what we all want is, we want whats best for this country. We may disagree on how we get there. But we all want to be safe, and healthy, and peaceful. And, i was thinking about it. [ cheers and applause ] we all do. I was thinking i have two daughters and i would obviously do anything for them. I love them so much and i want them to grow up, being free and being able to have choices. And have opinions. We live in a great country where we can have different opinions. And thats okay. Its fine to have different opinions. You can do that. [ cheers and applause ] thats what makes this our country, its an amazing thing. [ applause ] i just hope that this weekend will be peaceful and that we can tell each other how we feel, but also listen to each other. Listen to each other. As this new chapter in our countrys history is written. We live in the greatest country in the world. This is [ cheers and applause ] thank you. Okay. Not only is today Inauguration Day it is also questloves birthday. Ladies and gentlemen steve oh, no [ cheers and applause ] jimmy yes it is, it is. Steve he did it jimmy happy birthday, questlove [ cheers and applause ] wow. Happy birthday, dude here he is. Youre on the cover of billboard magazine. Just so happens, to be on the cover. Thats a good birthday present there. Questlove yeah, yeah. Jimmy hey, looking good. Happy birthday, pal. Questlove thank you, man. Thank you. [ cheers and applause ] jimmy we love you, man. Guys, we have a great show tonight. From the hit nbc series the blacklist, james spader is here tonight. [ cheers and applause ] hes the best. Also joining us tonight is the musical guest on saturday night live this weekend and his new album i decided is out february 3rd. Big sean steve yeah jimmy is dropping by. [ cheers and applause ] plus, we love it when he stops by. Our resident science expert, Kevin Delaney is here. Steve oh jimmy hes always got something brewing up. Something on fire. Its just always cool. Were very excited for him, because science channel saw him on our show and they gave him his own show called street science. That premiered last week. [ cheers and applause ] street science, lets talk to him, and get all sorts of things. Its going to be fun, and weve got great music. I dont know if youve seen this apple ad. I think it might be for airpods or Something Like that. Was it, lil buck . Theres dancers just walking up the side of the wall. And walking sideways, and upside down. Anyways, the music for that is our musical guest tonight. We have marian hill on the show tonight. Steve yeah. [ cheers and applause ] jimmy biggest commercial out there. Its going to be fun. Guys, today is friday, thats usually when i catch up with some personal stuff. You know, i check my inbox. [ cheers and applause ] return some emails. Steve uh huh. Jimmy and, of course, i send out thank you notes. And i was just running [ cheers and applause ] i was running a bit behind. Steve right. Jimmy today. So i thought if you guys wouldnt mind, id just like to write out my weekly thank you notes right now. Is that cool . Is that all right . [ cheers and applause ] james, can i get some thank you note writing music, please . Wow. [ light laughter ] hes in a great mood. Steve they call him mr. Pep. Jimmy yeah. Mr. Pep. [ laughter ] thank you, Kellyanne Conways inauguration outfit. [ light laughter ] for showing us what it would look like if ll cool j was in hamilton. There you go. [ laughter and applause ] i get it. Steve yeah. Jimmy thank you, vine, for officially shutting down this week. Your sixsecond videos were always so thank you, vine, for officially shutting down this week. [ laughter and applause ] your sixsecond videos were always thank you vine for officially shutting down this week. Steve nice [ light laughter ] jimmy thank you, the female shark who gave birth to several zebra sharks without being impregnated by a male partner. Or as the zookeeper put it, yes that is what happened. [ laughter and applause ] steve oh, no, you didnt jimmy wow. We should do research on that. Steve i was just swimming. [ laughter ] swimming around. You know. Jimmy i was just skinny dipping, man. Steve yeah. Jimmy i dont know. Steve i had my fishing pole. [ laughter ] jimmy thank you, aloe vera for sounding like a Chimney Sweep saying hello to someone named vera. ello, vera. [ laughter and applause ] ello. Steve good day, governor. Jimmy good day. Good day to you, sir. [ laughter ] jimmy thank you, gps. I dont know where id be without you. [ laughter ] steve ah. Thats a thinker. [ cheers and applause ] thats a little thinker. Stinker but a thinker. Jimmy hey. [ light laughter ] thank you, vladimir putin, for calling Donald Trumps critics worse than prostitutes. Or as they say in russia, bros before hoes. [ laughter and applause ] there you go, everybody. Those of my thank you notes. Well be right back with scientist expert, Kevin Delaney [ cheers and applause ] when it comes to healthcare, seconds can mean the difference between life and death. For partners in health, time is life. 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And theres no minimum balance. Youre alright with simply right checking from santander bank. Are you feeling alright, baby . [ cheers and applause ] jimmy welcome back, everybody were joined right now by the host of a brand new show called street science, that airs wednesday nights at 10 00pm on science channel. Please welcome back to the show, our resident science expert Kevin Delaney [ cheers and applause ] jimmy thank you for stopping by. Congratulations on the new show. Thanks, man. Jimmy its tell everyone about street science. Oh, its a lot of fun. Street science, its on science channel wednesdays at 10 00 and 10 30. I got a big team of artists, engineers, chemists. We go out on the street, and we do some of our favorite science demonstrations. Big, small, lots of fun. Jimmy yeah, i heard something that involved toothpaste yeah, we did our elephants toothpaste, or one of our old favorites we did. We used a volkswagen bug, instead of a regular flask, and it was jimmy it went all over the place. Everywhere. Yeah, it got everywhere. [ light laughter ] jimmy what are we doing tonight . cause we always do cool stuff. Im so excited. So tonight, we have liquid nitrogen. One of my favorite things, you know. Really, really cold. Jimmy yep. Minus 321 degrees fahrenheit. Jimmy yep. Uh, minus 196 celsius, very freezing cold. So when you go outside, and you get really, really cold, you forgot to wear your coat, what do you do . Jimmy i call my for my limousine. Yeah, you call for your limousine. [ laughter ] but like, William Henry harrison, he was president for a few days, right . Jimmy yeah. And he didnt wear a coat, and he got really, really cold. You you would go like this, right . Jimmy yeah, of course. You huddle. So, you huddle together. So Carbon Dioxide molecules behave very in a very similar way. So the Carbon Dioxide molecules in this balloon, are gonna get really, really cold when we dunk it in liquid nitrogen. So go ahead. Jimmy will it pop . Ah, well find out. So go ahead and put it in there. You get your tongue. Yeah, yeah, dont worry. Dont worry. And then, you know, you wanna like, push it down just let it get really, really cold. Jimmy like im sauteing. [ light laughter ] and so whats happening is all the co2 molecules are getting really close together, and taking up a lot less space inside the balloon, and we end up with kind of like a gross, shriveled up orange balloon. Jimmy oh, yeah. Which i feel is a very appropriate image today. [ laughter ] so you can go ahead [ cheers and applause ] i dont know why theyre clapping. We have things to do. Okay, so go ahead, take it out. And so well see what happens. So, now jimmy its like a potato chip. All of those co2 molecules can relax, and warm up jimmy no way. And expand, and fill that balloon again. So jimmy it just comes right back to yeah, pretty much, pretty much. I have more balloons over here. So go ahead, and we can start pulling these out. A blue one and a pink one. So jimmy wait. Do you just do this so you could just, do this. Some some of them pop. Be careful. Be careful. [ laughter ] its a day full of surprises. Jimmy it really is, thank you, kevin. No problem. Jimmy certainly. Look at how much fun this is . Heres another one. Theres a blue one. Jimmy you did this like this yeah you cant you gotta to be careful, if youre with the kids playing. Yeah, yeah. You dont want to do this with your liquid nitrogen at home. Some of them have helium in them. Jimmy oh, thats so rad yeah, there you go. Jimmy so the helium stays in there too . The helium yeah, yeah. It gets a little, less smaller than the Carbon Dioxide. But it works through. Jimmy ah, thats so rad. All right, lets go. We got more stuff to do. You wanna take off your blue gloves. Jimmy gotcha buddy, gotcha. What do we got here . All right, so now were going to make a painting, using some chemicals. Jimmy i love painting. So, you ever use a glow stick . Jimmy dude i go to a a rave every other week. Right on, right on. Yeah. [ laughter ] so, glow sticks work you know how it works . You have to crack it first, right . Jimmy yeah, but i dont understand what it does. Inside theres a little capsule filled with a a chemical jimmy uhhuh. Its called fennel oxalate ester. Jimmy uhhuh. Repeat that. Jimmy fennel oxalate ester . Good job, good job. Okay, so [ cheers and applause ] yeah, yeah, yeah. That was great. Jimmy im listening, im listening. That takes a long time to learn that kind of thing. Okay, so fennel oxalates fennel oxalate ester, mixes with the hydrogen peroxide, thats the rest of the liquid, and the dye. And what happens is all the electrons and the dye molecules, get really, really excited. And they, you know, their energy level goes up like this, and then as it relaxes it gives off light. Called chemiluminescence. Right. Jimmy oh, yeah. Okay. [ light laughter ] so now, this is what were going to do. Take these bottles here. Jimmy okay. Youve got one, two, three. Jimmy yep. And you just kind of pour them out here, and we can bring the lights down a little bit, too. Because what were going to do next, is take our hydrogen peroxide. [ light laughter ] jimmy im not getting used to that. Okay. Go ahead. And you got your last bottle of dye there . Jimmy oh, yeah. There you go, there you go. Now youve got your hydrogen peroxide. So you youre going to pour this on, on the count of three, were gonna pour it slowly, and were gonna watch the reaction. Are yall ready . Jimmy here we go. All right, check it out. [ cheers ] were gonna make a little painting here. [ audience oohs ] pretty nice. There you go. [ applause ] and now, jimmy, you got a a paintbrush over here. Jimmy wow so just paint your feelings. You know . Jimmy paint my feelings . Yeah. Jimmy this is so rad. Its art therapy. Jimmy dude, weve got to go to bonnaroo together. I mean, we really have to figure that out. Yeah, yeah. Well ill check my calendars. Jimmy i love this. Isnt that pretty . All right, but we got more stuff to do. So lets put these brushes down here in these little tubs, and come around to the front. Jimmy yes. Im going to need some help. Can i ask the roots to help me out with this one . Come on out, guys. [ cheers and applause ] jimmy birthday boy. All right, so now jimmy you snuck out of this one. Yeah, exactly. [ light laughter ] now, were going to light the greatest band in the world on fire. Sound good . Jimmy okay. Yeah, that sounds fantastic so, weve got these buckets here, in bucket one, we have soapy water. Jimmy uhhuh. In bucket two, we have soap and water and butane. So butanes flammable. Right . Jimmy uhhuh. So this is what were going to do. You you wanna dunk your hand into bucket number one, and then scoop up bucket number two. Jimmy okay. Okay. Jimmy here we go. So go ahead. Jimmy yep. Now brians going to come in and kind of check your bubble levels, and make sure everythings cool. Jimmy yep. And you dont want any bubbles on the bottom of your hand, because theyre going to light on fire, right . And you want to know where the fires going to be. Jimmy yep, not a good thing. Scoop em up. Here we go, here we go. Now, everybody kind of line up here. We call this a line of fire. [ c