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.
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Seasoned musician Jackson Maine discovers — and falls in love with — struggling artist Ally. She has just about given up on her dream to make it big as a singer — until Jack coaxes her into the spotlight. But even as Ally's career takes off, the personal side of their relationship is breaking down, as Jack fights an ongoing battle with his own internal demons.
Four everyday suburban guys come together as an excuse to escape their humdrum lives one night a week. But when they accidentally discover that their town has become overrun with aliens posing as ordinary suburbanites, they have no choice but to save their neighborhood - and the world - from total extermination.