Mary-Kate and Ashley decide to investigate a sudden disappearance of the world horse population. At first they suspect Oliver Dickens of pulling another master illusion, but when a group of horses they have under surveillance suddenly shrinks before their very eyes, they learn Clive Hedgemorton Smythe is attemping to create his own private pony collection.
| Name | Type | Role | |
|---|---|---|---|
| Britt Irvin | Guest Star |