How do you know what is available in United States?

Results use your region cookie (or IP country). Availability is per country — a title on in the US may be missing in India.

How do I change my country?

Use the country control in the header. We save it in a wt_region cookie on this device. That cookie wins over IP detection.

Where does the Watch button go?

It redirects through /go to the official app or website for that provider in your country. We never send you to unofficial stream sites.

How do you know what is available in United States?

Results use your region cookie (or IP country). Availability is per country — a title on in the US may be missing in India.

How do I change my country?

Use the country control in the header. We save it in a wt_region cookie on this device. That cookie wins over IP detection.

Where does the Watch button go?

It redirects through /go to the official app or website for that provider in your country. We never send you to unofficial stream sites.

Available in United States

Barbie and the Diamond Castle (2008)

Where can I watch?

As of 2026-09-12, Barbie and the Diamond Castle (2008) streams on 1 of 6 tracked regions. Germany: RTL+ Max Amazon Channel, RTL+, Toggo.

G · 2008 · Released · 78m

TMDB 7.4 · 894 votes

Join best friends in a musical fairy tale.

Liana and Alexa are best friends who share everything, including their love of singing. Upon meeting a girl inside a mirror, the duo embark on a journey that will put their friendship to the ultimate test.

Availability by country

Streaming in 5 of 6 tracked countries as of 2026-09-12.

Country	Licensed apps
India	Apple TV Store, Google Play Movies, Amazon Video, YouTube
United States	Apple TV Store, Google Play Movies, Fandango At Home, YouTube
United Kingdom	Apple TV Store, Google Play Movies, Amazon Video, YouTube, Sky Store
Japan	Not listed
Germany	Apple TV Store, Google Play Movies, Amazon Video, YouTube, RTL+ Max Amazon Channel, RTL+, Toggo
Brazil	Apple TV Store, Google Play Movies, Amazon Video, Claro video

Country

Licensed apps

India

Apple TV Store, Google Play Movies, Amazon Video, YouTube

United States

Apple TV Store, Google Play Movies, Fandango At Home, YouTube

United Kingdom

Apple TV Store, Google Play Movies, Amazon Video, YouTube, Sky Store

Japan

Not listed

Germany

Apple TV Store, Google Play Movies, Amazon Video, YouTube, RTL+ Max Amazon Channel, RTL+, Toggo

Brazil

Apple TV Store, Google Play Movies, Amazon Video, Claro video

FAQ

Where can I watch Barbie and the Diamond Castle in United States?

As of 2026-09-12, in United States: Barbie and the Diamond Castle rent or buy on Apple TV Store, Google Play Movies, Fandango At Home, YouTube.

Where can I watch Barbie and the Diamond Castle in India?

Licensed apps in India: Apple TV Store, Google Play Movies, Amazon Video, YouTube.

Where can I watch Barbie and the Diamond Castle in United Kingdom?

Licensed apps in United Kingdom: Apple TV Store, Google Play Movies, Amazon Video, YouTube, Sky Store.

Where can I watch Barbie and the Diamond Castle in Japan?

Barbie and the Diamond Castle is not on tracked licensed apps in Japan right now.

Where can I watch Barbie and the Diamond Castle in Germany?

Licensed apps in Germany: Apple TV Store, Google Play Movies, Amazon Video, YouTube, RTL+ Max Amazon Channel, RTL+, Toggo.

Where can I watch Barbie and the Diamond Castle in Brazil?

Licensed apps in Brazil: Apple TV Store, Google Play Movies, Amazon Video, Claro video.

Do you host Barbie and the Diamond Castle?

No. WhereToWatch.it never hosts or embeds the title. We only show licensed apps and open their official sites.

Can I watch Barbie and the Diamond Castle on this site?

No. The player is an official trailer only. Watch opens the licensed app or store that actually has the title in your country.

What do Stream, Free, Ads, and Rent mean?

Stream is included with a subscription. Free is complimentary on that app. Ads means ad-supported streaming. Rent or Buy is a one-off purchase on a store.