IMDb
5.0 /10
14k votes


Comedy · Romance · 2001 · 1h 35min
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.
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20th Century FoxSay It Isn't So (2001) Official Trailer # 1 - Chris Klein HD


Available in United States (data from JustWatch via TMDB · click → opens in provider)
IMDb
5.0 /10
14k votes
Rotten Tomatoes
The tomato isn't ripe
Metacritic took the day off
TMDB
4.7 /10
181 votes
Letterboxd
4.6 /10
—
Weighted average
4.8/10