The science of horse racing. Goofy shows the proper way to pick a winner, with a horse race that comes down to a photo finish as a finale.
- The Mouse Factory, episode #12: "Spectator Sports"
- Good Morning, Mickey, episode #24
- The Ink and Paint Club, episode #1.52: "Rah! Rah! Disney Goes Athletic"
- Walt Disney Cartoon Classics: Limited Gold Editions: The World According to Goofy (VHS/laserdisc)
- Walt Disney Treasures: The Complete Goofy (DVD)
- When the Unicorn Ponies start running, the purple unicorn pony's muzzle turns purple, but when the Unicorn Ponies run, it quickly turns back to bright pink.
- When the Unicorn Ponies start running, the part of the purple unicorn pony's tail turns pink, but when the Unicorn Ponies run, it quickly turns back to purple.
- When the pink unicorn pony is near the knob of the chair, the part of the hair of the purple unicorn pony turns bright pink, but when the Unicorn Ponies continue running, it quickly turns back to pink.
- When the teal unicorn pony's mouth is open wide, its tongue doesn't show.
- When the Unicorn Ponies continue to run, the purple unicorn pony's nostrils are not visible.
- Many Unicorn Ponies have a line right behind their eyes and in a while it quickly disappears.
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