The Three Stooges S05E08 - Mutts to You

The stooges run a dog cleaning business with crazy gadgets. On their out to lunch break they spot a baby left on the doorstep by its mother for a moment. Thinking it has been abandoned, they decide to take the baby home and take care of it. They run into problems when a policeman finds out they have the stolen baby and proceeds to chase them. The baby ends up in the mother's hands and the boys are cleared.