Life at KACL: Tom Durant, last scene in The Matchmaker is still the station manager at KACL as of this episode, which makes him the second longest tenured character to hold that position, behind only Kenny Daley.
Niles: Oh dear, don't turn around. It's that dreadful woman who works for you.
Niles: Uh...Lady MacBeth without the sincerity.
Frasier: Oh! Oh, Bebe's here!
(Bebe and Frasier have slept together)
Frasier: All right, just go ahead. Get your shots in.
Niles: No, no. I'm just glad you're all right. I would have assumed she killed after mating.
Bebe: Niles, thank God you're here. Back me up. Give him some sound, brotherly advice.
Niles: She's the Devil, Frasier. Run fast, run far.
Episode Title: Agents in America, Part III
A reference to the two-part play Angels in America (hence the "Part III" in the title).