Milo and his friends are happy to be able to teach science, music and art to the students in Miss Stern's evening class, but unfortunately not everyone is happy with his teaching methods.

Farmer Tilly's animals are sick and Dr. Diamond has to attend to other animals in the office. Milo and his friends become veterinarians and use their eyes and ears to find out what's wrong with the animals.

Otto hires Milo and his friends to paint Dama Dolores' ballroom, but suddenly Bruno the hungry pig appears and causes chaos. The trio must finish painting and exceed their client's expectations.