'The Flavin' and the Mavin'' - Season 6, Episode 4
Charlie romances Alan's sweet receptionist as Alan anxiously awaits disaster.
Air Date: October 12th 2008.
Berta: Who's the Smurf?
Alan: The "Smurf" is my receptionist.
Berta: You're letting Charlie hit that?
Alan: You sure you don't wanna come back to my office and hump my fax machine?
Charlie: You still have a fax machine?
Melissa: It feels like I have known [Charlie] all my life.
Alan: I know the feeling. You get over it.
Alan: Charlie, she is the best receptionist I've ever had.
Charlie: I'm hoping to say the same thing.