After visiting a petting zoo, Lisa realises that eating animals is wrong and therefore becomes a vegetarian. So when Homer throws a barbeque, Lisa ruins it. Her and Homer fall out, but after some persuasion from the McCartneys, Lisa and Homer make up.
This is a great example of a Simpsons episode. There are very few funny parts, but these parts are incredibly funny. This episode also revealed that Apu is a vegetarian and guest starred Paul and Linda McCartney, as themselves. Unfortunately, this episode has hardly any allusions and this is a shame because more allusions would improve the standard of this episode greatly for me. The funniest parts are Homer, bart and Marge's chant, how Lisa ruins the barbeque, and the cafeterias vegetarian alternative. Overall, this episode is very good, very funny and so far, the best episode out of season seven.
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