While the Griffins are watching a golf tournament, the power goes out. To entertain the family, Peter decides to tell the story of Star Wars, beginning with Part IV. The rest of the episode is set in the Star Wars universe, with the characters from Family Guy cast as Star Wars characters.
Dictionaries-Smith's Bible Dictionary-Fable. A fable is a narrative in which being irrational, and sometimes inanimate, are, for the purpose of moral instruction, feigned to act and speak with human interests and passions. --Encyc.
Furthermore, The Pearl could be a fable because of its many uses of animal imagery. A fable is a story that has animal characters and produces a moral, or lesson. Through this seemingly simple plot, Steinbeck has many themes, or morals he wants the reader to think about.