Cory: I might as well grow a hump and find a tower and ring the bell.
Cory is referring to Quasimodo, the main character from the Victor Hugo novel The Hunchback of Notre Dame who has a hunchback and lives in the bell tower.
Alan: All I can do is lie on this couch and wonder how Angela Lansbury solves all those crimes.
Alan is referring to Murder, She Wrote, a detective TV show starring Angela Lansbury.
Cory: Class? We don't need no stinking class. This references the famous line, "Badges? We don't need to stinking badges," from the movie Blazing Saddles.