1 Masters of the universe
The revenge of Skeletor

Audioplay
Written and produced by John Braden
Mattel / Kid Stuff KSR 614  1983
Illustrations: Pathfinder Productions
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2 Maitres de l'univers
Musclor et son tigre de combat

et le chanson "Nous sommes les Maitres de l'Universe" (John Braden / Michel Jourdan)
Raconté par Alain
Mattel / AB productions 821044-7
1984
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3 Maitres de l'univers
Les maitres de l'univers | Les confins de l'univers

chansons
Chanté par Alain
Polydor (Mattel) / AB productions 817994-7
1983
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INFO Masters of the universe
Masters of the Universe (commonly abbreviated to MOTU; and sometimes informally referred to as He-Man, after the lead hero) is a media franchise created by Mattel.

Among others, it features the characters of He-Man and Skeletor on planet Eternia. Since its initial launch in 1982, the franchise has spawned a variety of products, including six lines of action figures, four animated television series, countless comic series and a film.
Designer Roger Sweet claims to be the chief creator of He-Man and MOTU, although this is not officially acknowledged by Mattel.The earliest storybooks and much of the original backstory were written by Donald F. Glut.

source: Wikipedia