Friends: The One With Ross's Wedding

Ross, Monica, Joey, and Chandler go to London for the wedding, leaving a very pregnant Phoebe and Rachel home. In London, wedding plans go awry, while Joey and Chandler go sight-seeing. Meanwhile, Rachel realizes she still loves Ross and decides to go to London to tell him. Phoebe tries to warn the gang that Rachel is on her way to London to ruin the wedding. Meanwhile, Chandler and Monica console themselves at the rehearsal dinner and wind up sleeping together. When Rachel arrives, she decides not to tell Ross her feelings, but Ross winds up ruining his own wedding when, during the ceremony, he speaks Rachel's name instead of Emily's.