Kate The Chemist And Colbert Breathe Fire

Scientist and self-proclaimed pyromaniac Kate the Chemist turns Stephen into America's only fire-breathing late night host.

Watch The Late Show with Stephen Colbert weeknights at 11:35 PM ET/10:35 PM CT. Only on CBS.

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The Late Show with Stephen Colbert is the premier late night talk show on CBS, airing at 11:35pm EST, streaming online via CBS All Access, and delivered to the International Space Station on a USB drive taped to a weather balloon. Every night, viewers can expect: Comedy, humor, funny moments, witty interviews, celebrities, famous people, movie stars, bits, humorous celebrities doing bits, funny celebs, big group photos of every star from Hollywood, even the reclusive ones, plus also jokes.

[joshuafowler]

She was my professor for Chemistry this year! She's an excellent teacher. To those of you complaining about her being hyper or squealy, how do you suppose you would react if you were on such a highly watched show? I really hope she becomes the next Bill Nye.

And we totally did those in class. On the final class day students came up to breathe fire and do other demonstrations when they answered questions correctly. She also made liquid nitrogen ice cream. Go Dr. B!

[Shubham]

Love it how happy she is... Just like a kid.

[シロダサンダー]

"Are we insured for this?"

[haninhk]

"Don’t do this at home... but if you do this at home..." 😇

[bombingthesky]

I met her at the texas state science fair.She is awsome

[ericvillarreal]

I had the honor of being one of Kate’s students for introductory chemistry, and she’s this enthusiastic all the time. I’m not the biggest chemistry fan, but she made it a pleasure to go to every class.

[pinkpinkustink]

Had her as a professor—she’s the best! Would you believe she did those as demos in our lecture hall? Also, she’s exactly the same enthusiastic-wise while lecturing lol

[TheNorwog]

I swear to God Stephen Colbert is just a big kid getting to experience all the things that we wish we could have experienced growing up!

[inkblotCrisis]

LOVE LOVE LOVE her enthusiasm.
*"She's a self proclaimed pyromaniac."*
Hahahaha
*Proceeds to blow up stuff in manic glee* Oh dear

[Clowndius]

Wow. We need more scientists and professors like her. What a charming and jolly lady she is! 😍

[deathscythehellfunk]

Can we have fewer celebrity segments and more of this, please? Pretty please? :D

[richardlinares]

Her reactions to explosions is how I imagine Harley Quinn should react.

[thecooljohn]

Aww her university students are probably really proud of her for being on national television setting shit on fire lmao

[johnvoyce]

Now we know where the term "mad scientist" comes from. I'd love to be in her class.

[alienbacon]

Her enthusiasm is so awesome!! It’s on Mabel Pines

[mooniejohnson]

Maddie's face in the background at 6:31 was brilliant. I can just imagine her thinking "Stephen's going to set himself on fire. I think we're going to need to find a new gig, guys..."

[ShayanGivehchian]

Colbert looks like those nerdy scientist in the movies developing weapons for the villain

[MegPank]

She's so bubbly and energetic; she makes science fun. I wish I had her as my chemistry teacher in high school. If she had a show, I would watch it.

[DougGrinbergs]

My life could have been completely different if I'd had enough even a few school science moments like this! (;-) (;-) Damn, this audience had a helluva treat!

[WernerEdgar]

Is that Kate the Chemist or Kate the Rockstar? 'Cos that was awesome.