▁Oct avia . ▁According ▁to ▁Andrew ▁N , ▁We int ra ub ▁the ▁film ▁" p ain ts ▁a ▁picture ▁of ▁an ▁under class ▁boy ▁who ▁falls ▁in ▁love ▁with ▁a ▁girl ▁whose ▁family ▁is ▁rich ". ▁ ▁References ▁ ▁Category : Ind ones ian ▁films ▁Category : 1 9 7 6 ▁films <0x0A> </s> ▁" L isa ▁the ▁Veg et arian " ▁is ▁the ▁fifth ▁episode ▁in ▁the ▁sevent h ▁season ▁of ▁the ▁American ▁animated ▁television ▁series ▁The ▁Sim ps ons . ▁It ▁originally ▁a ired ▁on ▁the ▁Fox ▁network ▁in ▁the ▁United ▁States ▁on ▁October ▁ 1 5 , ▁ 1 9 9 5 . ▁In ▁the ▁episode , ▁Lisa ▁dec ides ▁to ▁stop ▁e ating ▁meat ▁after ▁bond ing ▁with ▁a ▁l amb ▁at ▁a ▁pet ting ▁zoo . ▁Her ▁school m ates ▁and ▁family ▁members ▁rid ic ule ▁her ▁for ▁her ▁belief s , ▁but ▁with ▁the ▁help ▁of ▁A pu ▁as ▁well ▁as ▁Paul ▁and ▁L inda ▁McC art ney , ▁she ▁commits ▁to ▁veget arian ism . ▁ ▁Direct ed ▁by ▁Mark ▁Kirk land , ▁" L isa ▁the ▁Veg et arian " ▁is ▁the ▁first ▁full - length ▁episode ▁David ▁S . ▁C ohen ▁wrote ▁for ▁The ▁Sim ps ons . ▁David ▁M irk in , ▁the ▁show runner ▁at ▁the ▁time , ▁supported ▁the ▁episode ▁in ▁part ▁because ▁he ▁had ▁just ▁become ▁a ▁veget arian ▁himself . ▁Form er ▁Beat le ▁Paul ▁McC art ney ▁and ▁his ▁wife ▁L inda ▁McC art ney ▁guest ▁star