Most of the film is live-action , with four short animated segments inserted into the running time : a black-and-white segment featuring Casey Junior from Dumbo ; and three Technicolor cartoons : Baby Weems , Goofy 's How to Ride a Horse , and the extended-length short The Reluctant Dragon , based upon Kenneth Grahame 's book of the same name .
There are three Technicolor cartoons : Baby Weems , Goofy 's How to Ride a Horse , and The Reluctant Dragon .