Why does IMDB seperate Clannad and Clannad After Story, but keep Attack on titan seasons combined? : r/Clannad

What's so great about Clannad and Clannad: After Story? - Quora

The BEST episodes of Clannad

Is clannad anime finished? I found sources saying that they are still waiting for season 3 but I didn't find any manga to continue season 2 after story. Can somebody clear up

Why does IMDB seperate Clannad and Clannad After Story, but keep Attack on titan seasons combined? : r/Clannad

75 Best Dubbed Anime of All Time (Ranked)

Why does IMDB seperate Clannad and Clannad After Story, but keep Attack on titan seasons combined? : r/Clannad

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Clannad (TV Series 2007–2008) - Episode list - IMDb

Clannad: After Story (TV Series 2008–2009) - IMDb

Story of Anime