The Switch (2010)

Jennifer Aniston and Jason Bateman star in “The Switch,” an offbeat comedy about Kassie, a smart, fun-loving single woman who, despite her slightly neurotic best friend Wally’s objections, decides it’s time to have a baby—even if it means doing it by... See more herself… with a little help from a charming sperm donor (Patrick Wilson). But, unbeknownst to her, Kassie’s plans go awry because of a last-minute switch that isn’t discovered until seven years later when Wally finally gets acquainted with Kassie’s precocious—though slightly neurotic—son.