Abbott and Costello Meet the Invisible Man is a 1951 American science fiction comedy film directed by Charles Lamont and starring the team of Abbott and Costello alongside Nancy Guild. The film depicts the misadventures of Lou Francis and Bud Alexander, two private detectives investigating the murder of a boxing promoter. The film was part of a series in which the duo meet classic characters from Universal’s stable, including Frankenstein, the Mummy and the Keystone Kops.