Original sentence: "The Opera", an episode of the American sitcom Seinfeld, features a spoof of Pagliacci, wherein the major characters attend a performance of the opera while "Crazy" Joe Davola disguises himself as Pagliaccio the clown to seek a tragic revenge
Edited sentence: On an episode of the American sitcom SeinfeldThe Opera", Jerry and Elaine attend a performance of the opera where their stalker "Crazy" Joe Davola disguises himself as Pagliaccio the clown to seek a tragic revenge