pororo and his friends hear some noise.
Pororo_ENGLISH3_2_Pororo_ENGLISH3_2_ep6_18 Pororo_ENGLISH3_2_Pororo_ENGLISH3_2_ep6_19 Pororo_ENGLISH3_2_Pororo_ENGLISH3_2_ep6_20 Pororo_ENGLISH3_2_Pororo_ENGLISH3_2_ep6_21