On Rachel's first morning with Phoebe, she decides to go running with her. She discovers that Phoebe runs in an embarassing way. She lies about the fact that she likes the way that Phoebe runs, Which in turn makes Rachel have to run like her!
Ross finds it hard to prove to people a new theory about making humans into computers.
Joey gets a new roommate, Janine, of whom he is attacted to!(well, what girl isn't Joey attracted to). Everyone warns him not to flirt with her.
Chandler cleans his and Monica's apartment but gets in trouble when Monica discovers that not everything is in its place.