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For the original Hanna-Barbera studio, see Hanna-Barbera.
This page only shows primary logo variants.
For other related logos and images, see:


2007–2017 (primary), 2017–2019 (secondary) 2017–2021 2021–present
2007–2017 (primary), 2017–2019 (secondary) 2017–2021 2021–present

Hanna-Barbera Studios Europe (also known as Great Marlborough Productions, Inc., & formerly known as Cartoon Network Development Studio Europe and Cartoon Network Studios Europe) is a British animation studio based in London that is owned by WarnerMedia International and is the European equivalent to the California-based Cartoon Network Studios.

Cartoon Network Development Studio Europe

2007–2017 (primary), 2017–2019 (secondary)

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Even though a new logo and name was introduced in 2017, this logo was still in use on The Amazing World of Gumball until the series ended in 2019.

Cartoon Network Studios Europe


Cartoon Network Studios Europe Logo.jpg
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This new logo was introduced with the Nordic premiere of the original shorts for The Heroic Quest of the Valiant Prince Ivandoe.

Hanna-Barbera Studios Europe



On April 7, 2021, the studio was renamed, paying tribute to legacy studio Hanna-Barbera, using a logo similar to H-B's logo from 1974–1979.

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