[At Ross´s Conference]
Ross: But all kidding aside, in much the same way that Homo ergaster is now thought to be a separate species from Homo erectus...
[Joey laughs]
Charlie: What?
Joey: He said "erectus"!
Charlie: You're... you're kidding, right?
Joey: No, he really said it.
Ross: ... and while there are certainly vast differences between these Mesozoic fossiles and the example of Homo erectus...
[Rachel laughs]
Joey: Erectus?
Rachel: Homo.
Ross: But all kidding aside, in much the same way that Homo ergaster is now thought to be a separate species from Homo erectus...
[Joey laughs]
Charlie: What?
Joey: He said "erectus"!
Charlie: You're... you're kidding, right?
Joey: No, he really said it.
Ross: ... and while there are certainly vast differences between these Mesozoic fossiles and the example of Homo erectus...
[Rachel laughs]
Joey: Erectus?
Rachel: Homo.
[ At Ross´s Conference ]
Ross : But all kidding aside, in much the same way that Homo ergaster is now thought to be a separate species from Homo erectus...
[Joey laughs]
Charlie : What?
Joey : He said "erectus"!
Charlie : You're... you're kidding, right?
Joey : No, he really said it.
Ross : ... and while there are certainly vast differences between these Mesozoic fossiles and the example of Homo erectus...
[Rachel laughs]
Joey : Erectus?
Rachel : Homo.
http://www.tv-quotes.com/shows/friends/quote_3397.html