That Girl (1966)

S02E26 If You Were Almost the Only Man in the World

Title: If You Were Nearly the Last Man on Earth Plot: After Ann is accidentally struck by a baseball, she finds herself under the care of a physician who bears a striking resemblance to Donald. As she recovers, the uncanny similarity leads to a series of amusing and complicated situations, forcing Ann to confront her feelings for Donald and the impact of their connection in an unexpected way.