Season 4: Episode 74: The One With The Jellyfish
Ross dumps Bonnie, which takes all night ... she leaves in the morning. In the mean time, Rachel writes a long letter to Ross that she needs him to read before they get back together he tries to read it, but falls asleep. When Rachel asks him what he thought of the letter, Ross acts as though he read it and agrees with whatever the letter says. Once he discovers that the letter asks him to take full responsibility for the breakup, Ross isn't sure if he can keep up the charade. The burden of revealing Ross' true feelings causes the couple to break up once again. Meanwhile, Phoebe, upset that her real mother never tried to contact her, tells Phoebe Sr. that she never wants to see her again. Ultimately, the two reconcile. Monica, Joey, and Chandler spend the day at the beach. When Monica gets stung by a jellyfish, Joey insists that peeing on the wound will lessen the pain. Monica, unable to "bend that way," asks Joey to do the honors. In the end, Joey gets "stage fright" and Chandler has to do the deed.