Barbie and her sisters lead a tour of the DreamHouse because it has been remodeled. Barbie and Barbie bring the Fashionistas to the Dream Closet to borrow a purse before all the dolls decide their next exploration should be the historic Doll World Doll Hall.
Barbie shows her sisters and the Fashionistas the Historic Doll Hall. The dolls all admire the fashions of iconic Barbies through the decades. However, when they go to view the iconic astronaut outfit, they find it's missing. The dolls are determined to find it, they just have to think outside of the box.
The Barbie crew brainstorms how to find a missing outfit, but before they can look, Malibu gets a text. She's due for an appointment on Fantasy Location Land Place with Sapphire Barbie. However, hijinks occur when Malibu tries to make three wishes.
Brooklyn opens a new salon and is quite busy with clients right away. She's so busy she forgets she has to judge an ice skating contest and give a haircut at the same time.
Barbie and Barbie are plotting how to find the missing astronaut suit when they find out it's time for the weekly Doll World shoe exchange. After a musical number, all the dolls find themselves wearing mismatched shoes. However, they all realize walking in someone else's shoes might give them the perspective needed to find the astronaut suit.
Chelsea wants cookies, but a unicorn eats them all. So she decides to bake some fresh cookies. However, Malibu realizes Chelsea accidentally used doubling dust, not sugar, to bake.
Barbie and her sisters decide to hit the beach...but the beach is missing. They scope out what's going on in Doll World from space, thanks to a ride from Astronaut Barbie.
Brooklyn and Malibu get to the disco floor and perform a big musical number about the power of dance. However, the two of them dance faster and faster until Brooklyn falls. To make her feel better, all the other dolls start falling too.
