Pluto's Kid Brother (1946)

Pluto's kid brother, K.B., keeps getting into trouble. When Butch the bulldog passes by, K.B. latches onto him. Butch gets K.B. to crawl into a meat market through a small slot. Pluto comes along, they tussle and set off the burglar alarm, which brings the dogcatcher, who grabs Butch.

Animation