4x15 "The One with All the Rugby"

Ross plays rugby with some of Emily's English friends and ends up in a lot of pain afterward. To impress Emily, Ross attempts to regain some of his honor by playing rugby with Chandler and Joey while Emily watches. Ross wins so many matches that Chandler and Joey begin to think he was replaced with a robot. Chandler runs into Janice and tells her that his company is transferring him to Yemen in an effort to escape reuniting with her. Monica obsesses over a light switch that doesn't seem to control anything, and even cuts the wall open herself to follow the wire after an electrician, the super and the electrical plans to the building prove unfruitful. It is revealed that it controls the television in Joey and Chandler's apartment.