Osomatsu-kun S01 E10 I am Chibita, The Giant! / Counterattack Operation Pepen

Chibita, with the help of his scientist uncle, devise a plan to shrink the sextuplets down to flea size so that he will no longer be shorter than them. / A roaming minstrel and Chibita team up to enact revenge on the sextuplets with their army of cats.