A Canada-France international co-production, the series was produced by the Montreal-based Groupe PVP and France's Gaumont Animation.

When Sebastian, a young orphan living in the Alps, meets Belle, a huge white Great Pyrenees, they set off together on a series of fantastic adventures around the mountains.

[1] Later that month, Montreal-based Groupe PVP formed a coproduction partnership with Gaumont on two animated series, including Belle, and the production began in 2016.

[2] The show was produced for a consortium of broadcasters, including Ici Radio-Canada Télé and Knowledge Network in Canada, M6 and Piwi + in France, ZDF in Germany, VRT in Belgium, and RTS in Switzerland.

[5] In the United States, the series began airing on TiVi5MONDE on June 13, 2018[6] and later in Germany, it premiered on KiKa on September 22.