Air tale depicted by two innovative animation studios.

Air tale developed by two competent animation studios.

Air tale developed by Toei, then Kyoto Animation studios.

Clannad epic as told by two studios, series by Kyoto Animation, movie by Toei Animation.

Clannad series produced by Kyoto Animation, movie by Toei Animation.

Movie by Toei Animation, series by Kyoto Animation.

Early version by Toei, later version by Kyoto Animation.

Remake of Toei work done three years prior.

Massive crossover event by Kyoto using material/characters from Toei-Kyoto projects of the 2000's.