As□i□heveryepisodeofRu□ning□a□,th□201304□1e□isode□□sfi□ledwi□haseriesofcha□l□□ge□andgamesth□ttestedthewi□,st□ength,an□teamwo□kofthe□astm□□be□s.Fromintenseph□sicalch□llengestobra□n-t□asi□gpuzz□□s,□hecasthadtoworkto□ethert□ove□comeobstaclesa□de□ergev□ctor□o□s□Th□c□mpetitivespiritwashighasthecastm□m□ers□hrew□h□mselves□ho□eheartedlyi□□oeachchallenge,de□erm□nedtooutsm□r□andoutperform□heiropponents.<□□> Aswitheveryepis□deofR□nningMan,the2013□421episodewasfilledwithas□riesofch□□le□gesandgamest□a□te□tedthew□t,strength,andteamworkoftheca□tme□bers.F□om□□tensephysicalch□llen□estob□ain-tea□ing□□zz□es,the□asthadtoworktogeth□rtooverco□eo□□taclesandem□rg□v□c□or□ous.Thecompeti□ive□□iri□washighasthecastmembersthrewthemselve□wholeheartedl□□nto□achchall□n□e□det□rmi□□□toou□sm□□tand□utperf□rmt□ei□oppon□nt□. A□withe□er□e□□s□deofRunningMan,the□013□421□pisodewasfi□ledw□t□□seriesofchallengesandga□est□attes□edthewit,st□ength,andteamworkofthecast□□m□ers□From□nt□nsep□ysicalchall□ngestob□ain-teasin□puzzles,th□casthadtoworktogeth□rtoover□omeobs□□□lesa□d□mergevict□riou□.□hecompetit□□e□piritwashigha□t□ec□stme□□er□threw□hemselveswhol□□ea□tedl□into□achcha□l□nge,determinedtooutsmartando□tper□ormthei□opponents.<□□> Aswit□□ver□□p□sodeofRu□ningMan,the20130□21epi□odewasfilledwithase□ie□ofchal□en□□sandgam□sth□tt□stedthewit,strengt□,a□dteamworkofthecastmembers.Frominte□sephy□i□alcha□l□ngestobr□□n-t□asingpuzzles,t□ecasthadtoworkto□eth□□toov□rcomeobsta□lesande□e□ge□ictorio□s.□heco□petitiv□spiritwashi□ha□thecast□embersthrewthemse□veswhole□eartedly□□toeachchallen□e,determinedtoo□t□martan□□utper□o□mtheiroppone□ts. A□□□th□veryepisodeo□RunningMan,the20130421episodewa□fille□withaseriesof□h□llengesandgamesthatte□tedt□□wit,stren□th,□□dteamw□rkofthec□stmemb□r□.Frominten□□□hysica□challen□□stobrain-teas□ngpu□zles,the□a□□□a□toworkto□ether□□ov□□c□m□obstacl□sa□□emer□evictori□□□.□heco□p□titivesp□r□twa□highasthecast□ember□t□re□□hemselveswholehear□edlyintoe□chch□llenge,d□term□nedto□utsm□rtan□out□erfor□theiroppon□nts.