▁at ▁boot ▁camp ▁and ▁arriv es ▁in ▁Vietnam . ▁While ▁on ▁leave , ▁he ▁and ▁Beth ▁are ▁reun ited ▁in ▁Hawai i ; ▁they ▁break ▁up , ▁but ▁Beth ▁soon ▁lear ns ▁she ▁is ▁pre gn ant ▁with ▁J J ' s ▁child , ▁and ▁she ▁moves ▁in ▁with ▁the ▁P ry ors . ▁ ▁Helen ▁disco vers ▁that ▁there ▁might ▁be ▁a ▁possible ▁surg ical ▁treatment ▁for ▁Will ' s ▁par al ysis , ▁and ▁the ▁early ▁part ▁of ▁the ▁season ▁de als ▁with ▁Will ' s ▁medical ▁treatment . ▁By ▁the ▁end ▁of ▁the ▁season , ▁Will ' s ▁leg ▁bra ces ▁have ▁been ▁removed ▁and ▁he ▁is ▁able ▁to ▁walk ▁normally . ▁ ▁Ro x anne ▁ex changes ▁promise ▁rings ▁with ▁boy friend ▁Len ny , ▁and ▁goes ▁on ▁tour ▁with ▁him ▁before ▁returning ▁home . ▁Later ▁on , ▁she ▁dates ▁Meg ' s ▁ex - boy friend , ▁Luke . ▁Meg ▁dates ▁a ▁college ▁boy , ▁D rew , ▁despite ▁J J ▁and ▁her ▁father ' s ▁strong ▁dis like ▁for ▁him , ▁but ▁breaks ▁it ▁off ▁when ▁he ▁ends ▁up ▁che ating ▁on ▁her . ▁ ▁Sam ▁wins ▁a ▁scholar ship ▁to ▁the ▁University ▁of ▁Pennsylvania . ▁Jack ▁dec ides ▁to ▁run ▁for ▁the ▁City ▁Council . ▁In ▁the ▁season ▁finale ▁on ▁April ▁ 4 , ▁ 2 0 0 4 , ▁Sam ' s ▁cousin ▁Nathan ▁is ▁draft ed ▁and ▁opts ▁to ▁go ▁to ▁j ail ▁rather ▁than ▁serve ▁in ▁Vietnam . ▁Also ▁in ▁that ▁episode ,