|Season 4, Episode 9|
|Episode 40 Overall|
|Upload Date||August 21, 2013|
|Synopsis||Ken shows off his latest upgrades to the Barbie Closet, so why is everything suddenly not working?|
The Upgradening is the ninth and final episode of the fourth season of Barbie: Life in the Dreamhouse.
Ken adds some upgrades to The Barbie Closet, which work great—until they mysteriously start working incorrectly. Taffy discovers the problem being Closet, who messed up Ken's upgrades in a fit of jealousy.
- When Taffy pulls the curtain and reveals Closet is a parody of the famous scene in The Wizard of Oz when Toto pulls the curtain and reveals Oz.
- Barbie always wears pink because she is always in a pink mood.