Christine is shocked when a new dad at Ritchie's school calls her a `meanie mom' for being judgmental and standoffish, and dumps her for Marly and Lindsay.
Mike and Molly are forced to take care of Vince when he hurts his back and Joyce conveniently disappears; the newlyweds try to write personalized thank-you notes.
Jerry appears on "Today" with Bryant Gumbel, but must wear a silly shirt as the result of a misunderstanding with Kramer's "low talker" girlfriend; George moves in with his parents.
Jerry and Elaine begin gaining weight and suspect a nonfat-yogurt shop may be making false claims; Jerry's use of a bad word influences Maryedith's son.