"The One With The Stain" is the seventh episode of the eighth season of Friends, which aired on November 8, 2001.
Chandler hires a maid, Brenda, to clean the apartment and after enough persuading, Monica agrees to give her a chance, but then believes that she has stolen her jeans that she lost. To prove it, Monica goes between her legs while she's cleaning behind the cabinets to look for a noticeable stain on the crotch, leading Brenda to believe she's a lesbian. Later on when Chandler gets home, Monica tells him what she did but then thinks that Brenda is wearing her bra that also went missing. She persuades Chandler to see if it is and Brenda prominently quits just as Monica learns that Rachel took her jeans and that all along, she was in fact wearing that bra.
Rachel is looking for a new apartment and Ross tells her that a woman died in his building that morning. They go to check out the place but the woman's daughter says she was a fighter and managed to pull through. Ross pretends to know her and begins to learn Dutch, due to their Dutch lineage, he also gets verbally insulted by Gunther who is fluent in Dutch. Joey meanwhile, wants Rachel to stay and does his best to persuade her. After proving to her he'll be alright with the baby living there and even claims he'll not bring women home if they have a problem with the baby, Rachel decides to stay just as the woman does pass away and Ross fulfills her dying wish by kissing her.
Phoebe is asked out by Eric who breaks up with Ursula, upon learning she was lying to him in the previous episode. However, he can't stand to look at Phoebe because it reminds him of Ursula but manages to kiss her and they have fun until Phoebe has to leave. When she gets back she learns that Eric had sex with Ursula while she was gone, thinking it was Phoebe. The two agree they shouldn't see each other again.