S10, E1: Monica, Chandler and Phoebe discover that they can eavesdrop on Ross & Charlie and Joey & Rachel through the walls of the hotel. Both new couples decide to wait before proceeding with their relationships, until the men can talk to each other. Ross tells Joey on the plane ride back to New York, but Joey can't quite yet. Later, Ross walks in on Joey and Rachel kissing. Meanwhile, Monica combats her poofy hair by getting corn rows put in, and Phoebe discovers that Mike has a girlfriend.