Adventures of Sonic the Hedgehog is an animated series based off the SEGA video game made by DIC Productions in 1993, it has been dubbed into many languages, but the French dub of it is lost.
Videos of findings.
https://youtu.be/-ubcmHSUHEg The show's intro.
https://youtu.be/fOy4bBMUdk8 A full episode.
https://youtu.be/9I9EbvXDgMM The show's end credits.