It's the Gay Pumpkin, Charlie Brown - S5-E5
Continuity mistake: When Leo comes into the apartment and starts talking to Will and Grace, they're sitting at the table. Grace has a newspaper which she holds over her plate. Between shots the newspaper keeps vanishing then reappearing.
It's the Gay Pumpkin, Charlie Brown - S5-E5
Continuity mistake: When Will and Grace are on the biking trip with Leo, going to pick a pumpkin, during Will and Grace's conversation the scenery and background behind and around them keep alternating and changing between shots.
It's the Gay Pumpkin, Charlie Brown - S5-E5
Continuity mistake: In the scene where Grace is fixing her bike chain, there is black line going across her cheek. The shape and size of the line changes several different times.