What is the twilight zone the changing of the guard?

"The Changing of the Guard" is an episode from the third season of the TV show "The Twilight Zone", which premiered on June 1, 1962. It was written by prolific writer and Twilight Zone regular, Rod Serling.

The main character is Professor Ellis Fowler, who has been teaching at a prestigious college for almost 50 years. The episode tells the story of how his world is turned upside down when the college asks him to retire due to his age and declining health.

Feeling depressed and alone, Professor Fowler returns to his empty classroom where he begins to reminisce about his life and the countless students who had passed through his classroom. Suddenly, he is visited by the ghosts of his former students, who show him how much of an impact he had on their lives. The ghosts help him see that his legacy lives on and his years of teaching were not in vain.

The episode ends with Professor Fowler deciding to take his own life in the classroom as a final act of inspiration for future generations of students.

"The Changing of the Guard" is known for its emotional and poignant portrayal of ageism, retirement, and the value of teaching. It has been praised for its powerful message and remains a fan-favorite in the Twilight Zone canon.