Overview
A new infection that simply makes people feel happy is treated as a threat by the authorities while its "victims" work to spread it to others.
Cast & Crew
Director: George Seaton
Cast: George Peppard, Mary Tyler Moore, Dom DeLuise, John McMartin, Nathaniel Frey, Charles Lane, Jeanne Arnold, George Furth, Morty Gunty, Joe Ponazecki, Frank Campanella, Susan Saint James
