Albarado the horse (a.k.a. Aspercel) won a PATSY Award for the film.
The family dog in this movie is named "Herbie." Dean Jones went on to star in several of Disney's Love Bug movies which featured a car named "Herbie."
There were two horses that were stand-ins for Aspercel (a.k.a. Albarado) called Sir Winston and Could Be.
Released on a bill with the Academy Award-winning cartoon short Winnie the Pooh and the Blustery Day (1968).
The horse who played Aspercel was called Albarado.