□<□>As□with every epis□de o□ □unning Man,□the□2013□421□episode was fi□led with a □e□ies of challe□ge□ and game□ tha□ tes□ed the wit, stren□t□,□and team□□□□□of th□ c□st mem□ers. F□om i□tense physical challenges to□□r□in□teas□ng puzzle□□ the cast h□d□to□wo□k t□gether to o□ercome ob□tacles and emerg□ v□□to□□ous. The competitive sp□rit was high□a□ th□ cast me□be□s thre□ themsel□es □□olehea□tedl□□in□o□each challeng□□□dete□m□□ed to out□□art and o□t□□rf□r□ their □pp□nen□s.