One Bright Day is a 1958 Australian television play. It aired on the ABC and was directed by Ray Menmuir. It aired as part of Monday Night Theatre.

Plot

Julian Prescott is the president of a large chemical company. His business is almost ruined by his ambitious general manager, George Lawrence, who in the president's absence has changed the formula of a popular patent medicine produced by the company. The president is faced with a lawsuit by a man who claims the new formula drug caused the death of his son. The president's daughter Margot becomes involved.