Tacing Cosby contains descriptions of violence, sexual content, and language that is not suitable for every audience.

Please be advised.

It's October 16, 2014, and we're at the Trocadero Theatre in Philadelphia.

Hannibal Burris is a comedian from Chicago.

You might know him from Comedy Central's Broad City, and he's doing stand-up tonight.

On stage, Burris starts mocking Bill Cosby.

Boy, you pay to some black people. I was on TV in 80s.

Dan McQuade, who works for Philadelphia Magazine, is here at the show.

I was probably fiddling with my phone, and I heard him say Bill Cosby, and I immediately hit record and started filming.

I could talk down to you because I had a successful sitcom.

Yeah, it was great living Bill Cosby, so I kind of raised it down a couple of nights.

I don't curse on stage. Well, yeah, you're rapist, so...

I'll take you saying lots of other funguses on Bill Cosby himself if you want to rapist.

Yep. Hannibal Burris just called Cosby a rapist on stage.

It was completely random that I had been in the audience that night.

I got a ticket last minute, and didn't expect to be reporting on any news while I was there.

But here's a young black comedian going to town on Bill Cosby here, and I was like, oh, well, that's a story.

I've done this bit on stage, and people don't believe people didn't make it up.

That's it, it's a sad, if you didn't know about it, trust me.

If you live here, Google Bill Cosby, right?

I'm sorry, this shit has more results than Hannibal Burris.

Bill Cosby famously had lectured young black comedians in the past,

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