□<□>La□ghter was a centr□l□t□eme of "R□nning Man 20130□31", w□□h □he cast □embers and □uests engag□□□ in hi□□rio□s bant□□ □nd sla□st□ck comedy thro□ghout th□ episod□. From ep□c□fails to unex□ec□ed v□ct□ries, eve□y □oment was ac□om□an□e□ by pea□s □f la□ghter from □ot□□□he parti□ipants and□□he audience.□/p>