Frasier: But I was comfortable with Dave.
Roz: Look, Dr. Crane, I know you've been thrown a curve, but everything's gonna be fine.
Frasier: But I did a mock show with Dave. I did mock-call-in's, mock commercials, mock news bulletins.
Roz: Look, I got a bulletin for you: Dave's out, I'm in, and stop saying "mock."