Four senior boys at a Michigan high school decide to end their status as virgins and undergo various erotic adventures-some ridiculous or humiliating, some gratifying-which they then relate to one another. The writer, Adam Herz, and the team of Paul and Chris Weitz (the first directs, the second produces) aim low and score. "American Pie is often funny (one sequence involving a beautiful foreign-exchange student, a horny boy, and broadcasting over the Internet is classic), but you may come out depressed by it. The coarseness in itself is not offensive, but the notion that privacy couldn't possibly be a value that matters to anyone is. With a bevy of young actors, of whom Chris Klein, as a soft-voiced lacrosse player, is by far the most charming.