Sheriff Hoot Kloot (2017)

"Hoot Kloot" was a series of 17 theatrical cartoon shorts produced by DePatie-Freleng Enterprises from 1973 to 1974. They featured Sheriff Hoot Kloot -- a diminutive, short-tempered lawman -- and his loyal horse Fester who try to maintain order in a remote western town. The series was later shown on television as part of the NBC Saturday morning cartoon series "Pink Panther and Friends."

Unfortunately the movie Sheriff Hoot Kloot is not yet available on HBO Max.