Sokkuri nako ni ai ni ikó (E52)

A stranger calls Bonobono by the name "Potesuke." He say Potesuke looks just like Bonobono. Bonobono has always wanted to meet his twin, so he, Chipmunk and Raccoon go to meet Potesuke. The stranger who called him, Kinkichi, leads them to the river, but Potesuke is nowhere to be found... (Crunchyroll)