>>151106422 (OP)
Classic French Cartoons starter pack
the BD classics adaptations:
all the Astérix animated movies, but mostly The 12 tasks of Astérix, (only Astérix movie made by the original authors), plus the two 3DCG Astérix: Mansions of the Gods and Secret of the Magic Potion, which are very good
all the Tintin animated series & movies (they’re Belgian I know, obviously avoid the Spielberg one)
the two Lucky Luke musical movies: Daisy Town & La Ballade des Daltons
Marsupilami (2000) series
Titeuf series
the best series from Xilam:
Oggy and the Cockroaches (with the movie)
also Zig & Sharko S2&3 if you like that style
Space Goofs (S2, avoid S1)
The New Adventures of Lucky Luke
Shuriken School
the Japanese/Asian-inspired series:
Wakfu & Dofus (plus the Dofus film if you like the style, but it bombed)
Oban Star-Racers
Dragon Hunters (with the 3DCG movie)
Code Lyoko
the cult-1980s-Japanese-animes-you-didn’t-know-were-actually-French-coproductions:
The Mysterious Cities of Gold (absolute timeless classic, there’s also a 3DCG sequel but not as good)
Once Upon A Time… Life (and all the other ones)
Inspector Gadget
Ulysses 31
the football series:
Foot2Rue (wasn’t dubbed in English but it’s a classic)
Galactik Football
the action-for-girls series:
Totally Spies (also the lesser-known Martin Mystery, same studio and art style)
Miraculous
Misc series:
The Shadoks (very old experimental absurd comedy, absolute classic)
Magic Roundabout (old, used to be a classic for boomer kids, UK version re-used the footage with different stories)
Kaeloo (similar to Oggy but 3DCG with dialogues)
Miniscule (cute 3DCG insects in real-life footage, two movies also)
The Jungle Bunch
Famille Pirate (never dubbed)
Funky Cops (from Code Lyoko studio, 2D & 3D mix)
Michel Ocelot movies:
Princes & Princesses (silhouette animation, very good)
Kirikou (with its sequels if you like)
Misc movies:
The Triplets of Belleville
The King and the Mockingbird (timeless movie classic)