挑战与考验A□ w□t□ every ep□sod□ of R□n□ing Man, t□□ 201□□421 episo□□ □as □□lled with a □□ries□of□chall□□ge□ a□d games th□t□□este□□th□ wit, s□rengt□□ and teamwo□k of the cast membe□□.□Fro□ □□tense physical chall□nges to brain-te□□in□ p□zzles□ th□ cast□had to□□ork togeth□r t□ overcome obstacles and emerge vict□r□ous□ Th□ c□mpetitive □□iri□ was h□g□ a□ the cast mem□ers t□r□w themse□ve□ whol□hear□edly into each chall□nge□ determin□□ to outsmart and outpe□form the□r □pponents□