Percy's Progress is a 1974 British comedy film directed by Ralph Thomas. Starring Leigh Lawson and Elke Sommer, the movie follows Percy, a young man who undergoes a series of bizarre adventures after a botched surgery gives him a new appendage. With a mix of slapstick humor and social commentary, Percy's Progress explores themes of identity, self-discovery, and societal expectations. This cult classic offers a unique blend of comedy and satire, making it a must-watch for fans of British cinema.