Mickey and Goofy get trapped inside Donald's body after they accidentally get shrunken down to miniature proportions.
- Chris Diamantopoulos - Mickey Mouse
- Tony Anselmo - Donald Duck
- Bill Farmer - Goofy
- Corey Burton - Ludwig Von Drake
- This is the first episode in the series to have a different song playing over the credits instead of the usual theme tune.
- Aside from the usage of "Miracles from Molecules" in the credits, several references to Adventure Thru Inner Space are sprinkled through the dialog in the beginning with Mickey imagining the possibilities of the shrink ray and journeying into inner space and exploring snowflakes.
- Donald sings like a rockstar when Mickey and Goofy start playing with his vocal cords.
- Gyro Gearloose from DuckTales has a cameo in this episode.
- This episode is similar to the SpongeBob SquarePants episode "Squidtastic Voyage", where SpongeBob SquarePants and Patrick Star are inside of Squidward's body.