Mr. Osomatsu S02 E03 Cavematsu-san / Choromatsu and Ichimatsu / Totoko's Challenge

Prehistoric versions of the brothers invent ways for them to relive any pent-up urges, with varying degrees of success. Later, Choromatsu and Ichimatsu struggle to make conversation with each other. After, Totoko takes part in an eating contest but keeps getting distracted by the brothers and guest star Shouei.