"Cheaper by the Dozen 2" is a family comedy film released in 2005, directed by Adam Shankman. It is a sequel to the 2003 film "Cheaper by the Dozen," which is based on the real-life experiences of the Baker family. The story follows the Baker family as they embark on a summer vacation, where they encounter their old rivals, the Murtaugh family, leading to a series of humorous competitions. The film features the original cast, including Steve Martin and Bonnie Hunt, reprising their roles as parents. As the two families compete in various challenges, themes of family bonding, love, and rivalry are explored, making it a lighthearted film suitable for all ages.