
Buying the Cow(2002)
A commitment-averse man frantically hits the dating scene after his girlfriend starts pressuring him to pop the question.


“They share a love. They share a passion. And they might share DNA.”
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.

Chris Klein
Gilbert Noble

Heather Graham
Josephine Wingfield

Orlando Jones
Dig McCaffrey

Sally Field
Valdine Wingfield

Richard Jenkins
Walter Wingfield

John Rothman
Larry Falwell

Jack Plotnick
Leon Pitofsky

Eddie Cibrian
Jack Mitchelson

Mark Pellegrino
Jimmy Mitchelson

Brent Hinkley
Streak
Say It Isn't So is a comedy, romance film released in 2001 exploring themes of mistaken identity, crude humor, taboo, cross country, lovesick. Directed by J.B. Rogers, it stars Chris Klein, Heather Graham, Orlando Jones. 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.
Discover titles like Say It Isn't So — ranked by similarity and community votes
We found 15 movies similar to Say It Isn't So
If you enjoyed Say It Isn't So, you'll love these handpicked recommendations. Each title below shares similar themes, tone, and storytelling style. Our algorithm analyzes genres, keywords, director filmography, and cast connections to find the closest matches. Whether you're looking for the same emotional depth, narrative structure, or visual style, these picks are curated to deliver the best viewing experience for fans of Say It Isn't So.

A commitment-averse man frantically hits the dating scene after his girlfriend starts pressuring him to pop the question.

After a student at the University of Ithaca films his one-night stand with a beautiful sorority girl, he discovers one of his friends has accidentally mailed the homemade sex tape to his girlfriend in Austin. In a frenzy, he must borrow a car and hit the road in a desperate bid to intercept the tape.

Viola Hastings is in a real jam. Complications threaten her scheme to pose as her twin brother, Sebastian, and take his place at a new boarding school. She falls in love with her handsome roommate, Duke, who loves beautiful Olivia, who has fallen for Sebastian! As if that were not enough, Viola's twin returns from London ahead of schedule but has no idea that his sister has already replaced him on campus.

The klutzy yet stunning Rebecca Sommers walks in on her hunky boyfriend in bed with another woman. They break up and Rebecca starts to fall apart, but, with the help of her close girlfriends, she begins to date again. Unfortunately, the men she meets all happen to be crazy. John, her dorky guy friend, tries to express his secret love for Rebecca, but she's too busy to notice as she tries to come to terms with her breakup.

Van Wilder has been attending college for far too many years and is scared to graduate, but Van’s father eventually realizes what is going on. When he stops paying his son's tuition fees, Van must come up with the money if he wants to stay in college, so he and his friends come up with a great fund-raising idea – throwing parties. However, when the college magazine finds out and reporter Gwen is sent to do a story on Van Wilder, things get a little complicated.

For Ted, prom night went about as bad as it’s possible for any night to go. Thirteen years later, he finally gets another chance with his old prom date, only to run up against other suitors including the sleazy detective he hired to find her.

Spoof of romantic comedies which focuses on a man, his crush, his parents, and her father.

A 34 year old single woman, Nancy, hung-over again, exhausted by the endless fruitless set ups by her friends, traveling across London to toast another 10 years of her parent's successful happy magical marriage runs in with a 40 year old divorcee, Jack, who mistakes her for his 24 year old blind date. Nancy, deciding to go with it, happens to hop on the most chaotic yet hilarious journey of her life which neither of them will ever forget.

Marisa Ventura is a struggling single mom who works at a posh Manhattan hotel and dreams of a better life for her and her young son. One fateful day, hotel guest and senatorial candidate Christopher Marshall meets Marisa and mistakes her for a wealthy socialite. After an enchanting evening together, the two fall madly in love. But when Marisa's true identity is revealed, issues of class and social status threaten to separate them. Can two people from very different worlds overcome their differences and live happily ever after?

Ana is an ambitious intern dreaming of a career in the art world while trying to impress her demanding boss Claire. When she's upgraded to first class on a work trip, she meets handsome Will, and Ana pretends to be her boss– a white lie that sets off a glamorous chain of events, romance and opportunity, until her fib threatens to surface.

Not only is Jessica Spencer the most popular girl in school -- she is also the meanest. But things change for the attractive teen when a freak accident involving a cursed pair of earrings and a chance encounter at a gas station causes her to switch bodies with Clive, a sleazy crook. Jessica, in the form of the repulsive Clive, struggles to adjust to this radical alteration and sets out to get her own body back before the upcoming prom.

Unemployed cartoonist Gord Brody moves back in with his parents Jim and Julie and younger brother Freddy. When his parents demand he leave, he retaliates by spreading rumors that Jim is sexually abusing Freddy.

Gib, a beer-guzzling slob, and Alison, an uptight Ivy-Leaguer, are an unlikely duo stuck together on a cross-country trip during Christmas break. At first they get on each other's nerves but, as time passes, they find their divergent natures complement each other. Now they need to realize what they've already found before it's too late.

In the midst of election season in New Mexico, political speechwriters Julia Mann and Kevin Vallick begin a romance, unaware they are working for candidates on opposite sides.

Cindy finds out the house she lives in is haunted by a little boy and goes on a quest to find out who killed him and why. Also, Alien "Tr-iPods" are invading the world and she has to uncover the secret in order to stop them.