Today is Minnie's birthday, but the Mickey Mouse Clubhouse friends need to set up her birthday party.
- Mickey Mouse
- Donald Duck
- Daisy Duck
- Minnie Mouse
- Ludwig Von Drake
- Bubbles the Elephant (debut)
- Mortimer Mouse (minor; debut; does not speak)
- Chip and Dale (minor; do not speak)
- A birthday candle
- Bubbles the Elephant
- A basket
- A jump rope
- This is the first time Mortimer Mouse appeared in the series. He made another appearance seven years later in "Super Adventure!". This is his only appearance until Super Adventure!.
- Mickey called Professor Von Drake "Ludwig" instead of Professor.
- This is the first time Bubbles the Elephant appeared in the series.
- This is the first episode where Minnie has an angry face which is really rare.
- Pete does not appear in this episode and this was his first absence in this series, but he does appear in the previous episode.
- A similar story is used in the Disney Junior Live on Stage attraction at Disney's Hollywood Studios and Disney California Adventure.
- Professor Von Drake's feet were white instead of yellow when we see him in the bathtub.