1Hockeymom33 searched for hours to find this video, so enjoy it! :) It's basically the same, except there's a fun "improv slap" and a comment about marriage that wasn't in any of the other videos.
ETA Transcript of new parts:
David: You know what's so nice right now? Everybody's celebrating the 100th episode, the next scene we have to do, she's gonna slap me in the face!
Emily: I do. I slap him in the face.
David: Think about that. Think about that! Go figure!
Emily laughs.
David: Yeah, we rehearsed that. Slowed down.
Emily: We'll do a slow motion version. [slaps him]
David: Oh!
Emily: And I'll come back and I'll do this.
David: Oh!!!
Emily: And then I'm gonna hit you again.
David: OH!!!
Emily: I'm adding a few. It's not scripted, it's a-- It's an improv slap.
David: But then, there, there you go. We gotta go back to work.
*
(cake and accomplishment conversation)
David: I wish that was in my renegotiations.
Emily [laughs]: What?
David: That's expensive cake, yeah!
Emily: Oh, thank you!
David: Mmm! Good! We do that in the hundredth episode.
Emily: Don't people do that at weddings? [Did they just feed each other cake o.s.?!] It's really good.
David: Hey! There's a wedding coming up in Bones!