After standing in as best man for his longtime friend Carl Petersen, Randy Dupree loses his job, becomes a barfly and attaches himself to the newlywed couple almost permanently -- as their houseguest. But the longer Dupree camps out on their couch, the closer he gets to Carl's bride, Molly, leaving the frustrated groom wondering when his pal will be moving out.
Greg Focker is ready to marry his girlfriend, Pam, but before he pops the question, he must win over her formidable father, humorless former CIA agent Jack Byrnes, at the wedding of Pam's sister. As Greg bends over backward to make a good impression, his visit to the Byrnes home turns into a hilarious series of disasters, and everything that can go wrong does, all under Jack's critical, hawklike gaze.
Andy Stitzer has a pleasant life with a nice apartment and a job stamping invoices at an electronics store. But at age 40, there's one thing Andy hasn't done, and it's really bothering his sex-obsessed male co-workers: Andy is still a virgin. Determined to help Andy get laid, the guys make it their mission to de-virginize him. But it all seems hopeless until Andy meets small business owner Trish, a single mom.
Best pals Jason and Daniel indulge in casual flings and revel in their carefree, unattached lives. After learning that the marriage of their friend Mikey is over, they gladly welcome him back into their circle. The three young men make a pact to have fun and avoid commitment. However, when all three find themselves involved in serious relationships, they must keep their romances secret from one another.
Peter Klaven is a successful real estate agent who, upon getting engaged to the woman of his dreams, Zooey, discovers, to his dismay and chagrin, that he has no male friend close enough to serve as his Best Man. Peter immediately sets out to rectify the situation, embarking on a series of bizarre and awkward "man-dates."
A pair of buddies conspire to save their best friend from marrying the wrong woman, a cold-hearted beauty who snatches him from them and breaks up their Neil Diamond cover band.
Hard-to-crack ex-CIA man Jack Byrnes and his wife Dina head for the warmer climes of Florida to meet the parents of their son-in-law-to-be, Greg Focker. Unlike their happily matched offspring, the future in-laws find themselves in a situation of opposites that definitely do not attract.
Tom Leezak and Sarah McNerney fall in love and plan to get married, despite opposition from Sarah's uptight, rich family. When they do get married, and get a chance to prove Sarah's family wrong, they go on a European honeymoon and run into disaster after disaster. They have to decide whether the honeymoon from hell and a few pre-marital mistakes are worth throwing away their love and marriage.
Having already left three grooms at the altar, Maggie Carpenter is branded "the runaway bride" by jaded New York journalist Ike Graham. But, after his facts are called into question, Ike races to Maggie's hometown to save his reputation and report on her upcoming fourth trip down the aisle – during which he's convinced she'll run again. Though he's there on a muckraking mission, Ike can't help but fall for this breathtaking heartbreaker.
It has taken 10 years, two little Fockers with wife Pam and countless hurdles for Greg to finally get in with his tightly wound father-in-law, Jack. After the cash-strapped dad takes a job moonlighting for a drug company, Jack's suspicions about his favorite male nurse come roaring back. When Greg and Pam's entire clan descends for the twins' birthday party, Greg must prove to the skeptical Jack that he's fully capable as the man of the house.
George Banks is an ordinary, middle-class man whose 22 year-old daughter Annie has decided to marry a man from an upper-class family, but George can't think of what life would be like without his daughter. His wife tries to make him happy for Annie, but when the wedding takes place at their home and a foreign wedding planner takes over the ceremony, he becomes slightly insane.
A young Greek woman falls in love with a non-Greek and struggles to get her family to accept him while she comes to terms with her heritage and cultural identity.
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.