The Gravediggers are considering and bringing very important decisions when they are in stage. The way they do it differs from the rest of the play. The rest of the play is a fictional world of Hamlet in Denmark, but this scene helps to make sense and brings focus to the audience.
Your purpose for writing the essay might be to persuade the reader to watch that particular TV show. (As for the questions below, I think you have to answer those yourself based on the TV show you've chosen.)
