I'm here with the one and only Post Malone.

And today we're gonna kick it old-school, really old-school.

We're at Medieval Times.

It's fantastic. You look incredible.

At this point, actually, in Medieval times,

you're actually Pre Malone.

-Hmm. Yet To Be Malone. -Yeah, Yet --

You have not Malone'd yet. I am so pumped for this.

Let's do it!

♪♪

[ Horse whinnies ]

♪♪

We are at Medieval Times.

-This is the best day of my life.

♪♪

-All right, my lords. We have your feast.

-Thank you very much. -Oh, my God.

Thank you so much. -Roasted chicken.

Roasted potato.

-I like -- I like mashed potatoes better.

-Mashed potatoes? -Yeah.

Thank you so much. Thank you so much.

♪♪

-My lords, I am most pleased to welcome you to my castle.

-My queen. -My lord Post, might I add,

I am a big fan of your work.

I really love your song "Sunflower."

-Thank you. Oh, thank you.

-Are you a fan of "The Tonight Show"?

-We don't have television in Medieval times, my lord.

-But you have Spotify?

[ Laughter ]

♪♪

-Ride forth, Yellow Knight!

[ Cheers and applause ]

-Hey, baby. -That's our dude.

-Come on, baby.

-There's Jonathan Van Ness from "Queer Eye."

[ Laughter ]

Wow.

-Ride forth, the Red Knight!

-Boo! Sir.

-Boo, sir!

-I've seen squires ride better than you!

-Ohh! Medieval burn!

♪♪

-Ohh! -Ohh!

-Yeah!

[ Laughter ]

[ Cheers and applause ]

♪ You probably think that you see yellow now, yellow now ♪

♪ You probably think that you see yellow now, yellow now ♪

-I think we need to get out there.

-Let's do this, man.

♪♪

-Lords and ladies, Jimmy Fallon and Post Malone!

♪♪

♪♪

-I couldn't even see where this is.

-This helmet's heavy as [bleep].

[ Cheers and applause ]

-Knights, take up your weapons and fulfill your oath!

-Oath!

It's hard to move. My ass is sweating.

-Sweat.

[ Grunting ]

[ Crowd chanting ]

-Post, I challenge thee to a joust!

-You lily-livered rapscallion!

-Challenge has been issued and accepted!

-♪ You know you make me want to joust ♪

♪ Take my hands up and joust ♪

♪ Come on, now ♪ -♪ Joust ♪

-♪ Don't forget to say you will, joust ♪

♪ Come on, now ♪ -♪ Joust ♪

-♪ Don't forget to say you will, joust ♪

-Take your places, my lords.

And may your lance find its mark.

Now ride!

♪♪

-Oh, wow. -Ohh.

-[ Groaning ]

-Oh. Ah. That one hurt.

-My leg! -Oh, no. Oh, no.

Ow, ow, ow.

[ Laughter ]

[ Groaning ]

♪♪

I have one more surprise for you.

Your Majesty.

[ Cheers and applause ]

-I hereby dub thee...

Lord Post Malone of Medieval Times.

[ Cheers and applause ]

-Yeah! -Well done, my lord.

-I just hugged the queen! -I know you did!

-Yeah! Yeah!

[ Cheers and applause ]

-Medieval Times!