[4.01] The One with the Jellyfish
Monica is stung by a jellyfish and asks Joey and Chandler to help her. The three of them later behave uncomfortably around each other after what happened when they helped Monica, which is later revealed that Chandler peed on her to ease the pain. Ross and Rachel get back together until Ross cannot stand Rachel thinking he has taken full responsibility for the flaws in their relationship. Phoebe gets to know her birth mother.