At a high-school party, four friends find that losing their collective virginity isn't as easy as they had thought. But they still believe that they need to do so before college. To motivate themselves, they enter a pact to all "score" by their senior prom.
With high school a distant memory, Jim and Michelle are getting married — and in a hurry, since Jim's grandmother is sick and wants to see him walk down the aisle — prompting Stifler to throw the ultimate bachelor party. And Jim's dad is reliable as ever, doling out advice no one wants to hear.
After a year apart - attending different schools, meeting different people - the guys rent a beach house and vow to make this the best summer ever. As it turns out, whether that will happen or not has a lot to do with the girls. Between the wild parties, outrageous revelations and yes, a trip to band camp, they discover that times change and people change, but in the end, it's all about sticking together.
After a teenager has a terrifying vision of him and his friends dying in a plane crash, he prevents the accident only to have Death hunt them down, one by one.
A student's premonition of a deadly rollercoaster ride saves her life and a lucky few, but not from death itself – which seeks out those who escaped their fate.
When Kimberly has a violent premonition of a highway pileup she blocks the freeway, keeping a few others meant to die, safe...Or are they? The survivors mysteriously start dying and it's up to Kimberly to stop it before she's next.
When a professor develops a vaccine that eliminates human allergies to dogs, he unwittingly upsets the fragile balance of power between cats and dogs and touches off an epic battle for pet supremacy. The fur flies as the feline faction, led by Mr. Tinkles, squares off against wide-eyed puppy Lou and his canine cohorts.
A scientist and his sidekick accidentally clone a journalist and decide to turn the mistake into Repli-Kate, their idea of the perfect woman, who loves, beer, football, and frat parties.
A pool boy and a gardener turn an empty mansion into a home for women who belong to the world's oldest profession.