While an irate Principal Washington waits for the maintenance man to arrive, the five classmates from different social classes are reluctant to entertain one another. Never crossing paths in high school, the sudden lock-in forces the once jock, nerd, popular girl, teen mom, and delinquent to interact. After a decade of tensions, old beefs resurface, secrets are exposed, and tears are shed as Tia, Nate, Cherry, Jade, and Saint pass time, realizing they aren’t as dissimilar as their statuses projected.

Feeling nostalgic about their high school days, Hervé, Maxime, and Jordy decide to host a grand reunion party to reconnect and celebrate their 30-year graduation anniversary. However, their idealised memories clash with reality: no one wants to come, especially their former classmates Anne and Marion, who are determined to sabotage the event. For the first time, the trio face a harsh realisation – could it be that all this time they’ve been nothing but a bunch of pretentious jerks? Determined to make amends, they embark on a hilarious quest to prove to the world and themselves that they can be better men.

Lizzie Borden High's class of '72 are going through the motions at their tenth-year reunion, until deranged alum Walter Baylor, driven insane by a sadistic senior-year prank, escapes from the mental institution and crashes the party. When guests start getting bumped off, the other alumni, including snooty yacht salesman Bob Spinnaker, class tease Bunny Packard, and class zero Gary Nash, spring into action to uncover the culprit.

Three former classmates reunite for their 30-year high school reunion.

The Cleary brothers, Sam, Leo and Douglas took dysfunctional families to a new level: Sam and Leo have grown up hating each other and neither likes their juvenile delinquent kid brother, Douglas, to whom they've only recently been introduced. The sons share the same father, a womanizing drunk, but all have different mothers. Their father died a rich man and when they're brought together by their sister Nina to learn which of them will inherit the old man's fortune, they are handed an unpleasant surprise.

An old-money family gathers at their estate to celebrate the matriarch’s birthday—but their real intention is to send her off to a nursing home and begin scheming over her inheritance.

A few minutes before a man wakes up, his dead lover returns to him for one final reunion.

An old-money family gathers at their estate to celebrate the matriarch’s birthday—but their real intention is to send her off to a nursing home and begin scheming over her inheritance.

Six British chart-topping bands of the 1990s and early 2000s reunite for the first time in a decade for a one-off concert at the Hammersmith Apollo.

A group of 20-somethings who are inextricably bound together having shared the same third-grade class. Now face to face at an impromptu reunion to celebrate the 20th anniversary of the day they met, they wonder if they'll have anything in common besides vague memories of playground kisses and underwear sightings on the monkey bars. Turns out they do. After two decades apart for most of them, some are eager to show off, some want to rekindle old crushes and others just want to satisfy their curiosity.