Frasier: [Phone rings] Hello? Yes. Oh, hi, Niles. Of course you can come by. Great. I'll see you then.
[Frasier walks over to his front door and opens it]
Frasier: Hi, Niles. Good to see you. Thanks for calling first.
Niles: Well, I heard your show today. I wouldn't dream of popping by unannounced.