Friends - Season 10 Episode 9 The One with the Birth Mother I'll be there for you.
Overview: Nervous and excited, Monica and Chandler travel to Ohio to meet a young pregnant woman, Erica Simmons, who is considering allowing them to adopt her child when it's born. Upon meeting her they discover that due to a mix-up at the adoption agency, Erica thinks that Monica is a reverend and Chandler is a doctor. Meanwhile, Joey dates Phoebe's friend but annoys her with his territorial eating habits. Also Rachel picks out an outfit for Ross to wear on a date but due to a mix up he ends up in an awkward position.