Knocked Up is a 2007 American romantic comedy film written, produced, and directed by Judd Apatow.
The film stars Seth Rogen as Ben Stone and Katherine Heigl as Alison Scott. The movie follows the story of a one-night stand between Ben and Alison that results in an unintended pregnancy.
The film takes place in Los Angeles, where Ben, a slacker and a stoner, meets Alison, a successful television news producer, at a bar. After a night of partying and drinking, they wake up the next morning to find that they have slept together. Alison, who is engaged to her fiancé, is shocked and upset by the situation, while Ben is initially unaware of the consequences of their actions.
As Alison's pregnancy becomes more apparent, she and Ben are forced to confront the reality of their situation. Despite their initial reluctance, they begin to develop feelings for each other and start to form a bond. However, their relationship is put to the test as they navigate the challenges of pregnancy, parenthood, and their own personal growth.
The film features a talented supporting cast, including Paul Rudd, Leslie Mann, and Jonah Hill. The movie received positive reviews from critics, with many praising the chemistry between Rogen and Heigl, as well as the film's humor and heart.