Several years after the events of the original show and the movies, Dr. Egon Spengler agrees to help a group of his young students re-form the Ghostbusters under his mentorship.Several years after the events of the original show and the movies, Dr. Egon Spengler agrees to help a group of his young students re-form the Ghostbusters under his mentorship.Several years after the events of the original show and the movies, Dr. Egon Spengler agrees to help a group of his young students re-form the Ghostbusters under his mentorship.