"American Reunion" is a 2012 comedy film that serves as the fourth installment in the American Pie series. The story reunites the original characters from the first three films as they return to their hometown for their high school reunion. The film explores themes of nostalgia, friendship, and the challenges of adulthood. The main characters, including Jim, Michelle, Kevin, Vicky, Oz, and Heather, navigate their lives and relationships while reminiscing about their teenage years. The film combines humor with heartfelt moments, showcasing how the characters have changed and grown since their high school days.