14. — The One With Phoebe's Ex-partner

Ross is increasingly paranoid about Rachel’s coworker, Mark. To keep an eye on them, he attends a fashion seminar with Rachel but ends up falling asleep and snoring loudly.

This is the penultimate episode before the infamous "The One Where Ross and Rachel Take a Break." 14. The One with Phoebe's Ex-Partner

Chandler tries to be mature about her artificial limb, but when Ginger finds out Chandler has a "third nipple" (a recurring Season 3 gag), she is the one who gets freaked out and dumps him . 3. Ross vs. Mark 14. The One with Phoebe's Ex-Partner

"She’s a jingle writer. She’s the devil! She’s the devil in a polyester blend!" 14. The One with Phoebe's Ex-Partner