What is twilight zone changing of the guard?

"Changing of the Guard" is an episode of the original Twilight Zone television series that first aired on June 1, 1962. It follows the story of Professor Ellis Fowler, a lonely and aging college professor who considers committing suicide on the eve of his retirement, feeling that he has wasted his life by never truly making a difference.

However, he is visited by the ghosts of his former students, who reveal that he has profoundly impacted their lives and that his legacy will live on through them. The episode explores themes of legacy, mortality, and the importance of making a difference in the lives of others.

The episode was written by the show's creator Rod Serling and directed by Robert Ellis Miller. It starred Donald Pleasence as Professor Fowler and was generally well-received by audiences and critics alike. It is often cited as one of the best episodes of the series.