As w□th every episode□of R□nn□ng □an, the 201□0421 episode□was filled with a seri□s of c□a□□en□es □nd games that□t□□t□d the w□t, □tr□ngth, and tea□w□rk of the cast members. Fr□m intense physical chall□nges to brai□-teasing p□zzl□s, the c□s□□h□d to work □ogether □o□overcome o□s□acles and emerge vict□r□o□s□ T□e co□p□ti□ive spi□i□ was h□□h as th□ ca□t members□threw □□emse□v□s whole□eartedly into e□ch challenge, determin□□ to o□□s□ar□ a□d □utpe□form th□ir opponen□s.