The Alfred Hitchcock Hour 3x11

Dr. Jane Waterleigh participates in an experiment in projected perception when she takes an experimental drug. She envision a futuristic society run by women. In this society all men have gone extinct because of a genetic accident caused by her associate Dr. Hillyer. After regaining consciousness, Dr. Waterleigh attempts to alter the future by killing Dr. Hillyer before he can progress further in his dangerous experiments. Her efforts prove futile, however, when Dr. Hillyer's son becomes determined to carry out his father's work.