Aswithever□□pis□deofRunningMan,the20130421□pisodewasfilledwi□□a□erie□o□c□al□engesa□dgamesthatt□ste□□hewit,s□rengt□,a□d□□a□□orkofthecastmembers.Fromintensephysica□□halleng□stobrain-teasin□puzzles,thec□sthadtoworktog□thert□overcomeobstaclesandemergevic□orious.Th□competitiv□spi□□twashig□a□thecastmembers□hr□□th□mselvesw□olehear□edlyi□toeachcha□lenge,□e□ermin□dtoout□martan□outp□□formtheiropponents. AswitheveryepisodeofRunningMan,the2013□421□pisod□wasf□lled□ithaseri□s□□challenge□andgames□hatt□s□edthew□t,stren□th,□□dteamworkofthecastmembe□s□F□ominte□sephysical□h□ll□ngesto□rain-teas□□gpu□zl□s□□hec□sthadtoworktogeth□r□□overcomeob□ta□les□nd□mergevict□riou□.T□ec□mpeti□ivespiri□□ashighast□ecast□emb□rs□□r□wthem□□l□eswho□eheartedlyintoeachchallen□e,determinedtooutsmarta□doutpe□form□heir□pponents. Aswithevery□□is□deof□unningMan,the20130421e□is□de□asfilledwi□haseriesofchallengesandga□esthattested□hewit,st□engt□,an□te□m□or□oft□eca□□memb□rs□F□omintense□h□sica□challen□e□to□rai□-t□asingpuzzl□s,the□asthadtoworktoge□hertoov□rcomeobstacle□□ndemerge□□ctorio□s.Thecompetitivespir□twash□□has□he□ast□e□b□rsthrewthemselvesw□o□ehe□rted□□intoe□chchallen□e,determinedtooutsm□□tandoutperformtheiropponents.□/p□□p>Aswitheveryep□□odeofRunn□□gMan,the□0130□21epi□odewasfil□edwi□hase□□eso□chall□ng□□andga□esthatte□t□dthewi□,strength□□ndte□m□ork□fthe□astmembers.Fromintensephy□icalchal□engest□br□□n-t□asingpuzzl□s,□hec□□□hadtoworkto□eth□rtoovercom□o□sta□les□nde□e□gevictoriou□.Theco□peti□iv□spiritwashig□asthecastmembersthrewth□ms□lveswhole□ea□□ed□yinto□□chcha□l□nge,determi□e□toout□marta□doutperformt□e□□o□pone□ts.<□□>