Abbott and Costello Comics #21

Abbott poses for a portrait while Costello paints, hoping to get a good likeness. Meanwhile, visitors near Astra's place encounter a dinosaur that has escaped and caused chaos, with one character attempting to wrangle the creature while others flee in panic. Costello becomes separated from Abbott and finds himself alone in a strange landscape, eventually discovering what appears to be an alien dwelling before reuniting with Abbott. The two then embark on a wild adventure involving a horse, with Costello attempting to ride the animal as Abbott tries to help him escape from various predicaments they encounter.