American Pie/YMMV


 * And the Fandom Rejoiced: American Reunion with almost everyone returning
 * Breakout Character: Stifler and Jim's Dad.
 * Designated Villain: Ron, Heather's fiancee in American Reunion is undoubtedly a Jerkass but aside from suggesting a wife swap (with the consent of the wives involved) the only really 'villainous' thing he does is get angry over his girlfriend falling for and then actively cheating on him with her old flame and threaten to sue that (larger, more muscular) old flame if he assaults Ron.
 * Ensemble Darkhorse: Stifler went from being a minor antagonist in the first movie to one of the protagonists in the third.
 * Everybody Remembers the Stripper: Every film in the main franchise has at least one famous scene featuring female nudity.
 * Nadia's changing/masturbation scene in American Pie.
 * The girl-on-girl teasing in American Pie 2.
 * Everybody really does remember the stripper(s) when it comes to American Wedding.
 * Jim trying to get a drunk, topless teenage girl back into her house without her parents finding out in American Reunion.
 * Memetic Mutation/Sein Language:
 * This movie gave the word "MILF" to the language.
 * This one time, at band camp...
 * Retroactive Recognition:
 * One of the "MILF!" guys is John Cho of later Harold & Kumar Go to White Castle and Star Trek fame.
 * January Jones as Michelle's sister in the third film.
 * Sequelitis: The Direct to Video sequels.
 * Squick:
 * That beer... Steve Stifler usually feels the brunt of these.
 * In the second movie, he gets pissed on from a balcony, and tastes it, thinking it is champagne.
 * In the third movie, the ring scene.
 * In the new movie,
 * Straw Man Has a Point: In Reunion the guys promptly tell Stifler he's pretty much always been a horrible friend to them. Steven snaps back they often don't treat him like a friend, and brings up the fact they pointedly didn't invite him to get together with them before the reunion. They reply they did so because they knew he would be, well, Stifler, but he makes a fair point.