"The Switch" is a romantic comedy film released in 2010, directed by Josh Gordon and Will Speck. The story follows Kassie, played by Jennifer Aniston, who decides to have a baby through artificial insemination. Her best friend, Wally, portrayed by Jason Bateman, secretly has feelings for her and is upset when he learns about her plan. After a night of drinking, Wally accidentally switches the sperm sample with his own, leading to unexpected consequences. Years later, he meets Kassie's son, Sebastian, and begins to bond with him, while grappling with the truth about his role in the child's conception.