Season 10: Episode 233: The Last One (Part I)
Ross and Rachel spend part of the night together, their kiss having led to more. Ross decides he wants to be with Rachel, but she views their night together as the perfect way to say goodbye. Monica and Chandler coach Erica through delivery at the hospital, and all are surprised when she delivers twins. Joey buys a new chick and duck as a house-warming gift for Chandler and Monica, the previous pair having gone to that "special farm" for old birds. Gunther confesses him love to Rachel.