□<□>Laughter □a□□a cen□ral the□e of "Runn□ng Man 20130331", with □h□ cast membe□s and guests en□aging in□hilario□s ban□□r a□d□□lapst□ck c□med□□throughout the □p□□ode. Fro□ epic f□ils to □nex□□c□ed victor□□s, ev□ry moment□was a□comp□nied by peals of □a□ght□r from bot□□the pa□ti□ipan□s and the audience.□>