Albarado the horse (a.k.a. Aspercel) won a PATSY Award for the film.
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 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."
The horse who played Aspercel was called Albarado.