"One of the Guys" is the sixty-third episode of Lizzie McGuire.
After setting a new school record in gym and then beating Ethan Craft in arm-wrestling, Lizzie is invited to play touch football with the "cute guys". But Lizzie is worried when Ethan calls her a "dude", and she feels that she is losing her femininity by playing football. The gym teacher, Coach Kelly, reassures her, and also reveals that Ethan calls everybody a "dude". Unknown to Matt, Fredo the chimp completes his math homework, which gets him good grades in school and praise from his parents.