Say It Isn't So (2001) (en)
- Original title: Say It Isn't So
- Evaluation: 4.7 (Votes: 121)
- Genres: Comedy, Romance
- Release date 2001-03-10 (2001)
- Duration: 95 Min
- Keywords: taboo, lovesick, crude humor, mistaken identity, cross country
Boy meets girl; boy falls in love (and had wild, non-stop sex) with girl; boy loses girl... when they discover they are brother and sister! But when he learns that he's the victim of the ultimate case of mistaken identity, the lovesick young man -- whom everyone still thinks is after some taboo thrills -- must race across the country to stop her from marrying another man.