Perhaps one of the most famous of movie parodies to have appeared on Family Guy is 'Blue Harvest', part of the series' Star Wars-centric trilogy 'Laugh It Up, Fuzzball'. Taking its name from the fake working title used to hide the 1982 production of 'Star Wars Episode VI: Return of the Jedi', 'Blue Harvest' is choc-full of Star Wars gags and sees Stewie take on the role of Darth Vader. Definitely one for Star Wars fans, and fans of sci-fi films in general, and guaranteed to give you a good laugh.