Full Gintama filler list

Is Gintama episode 74 filler?

Canon No, episode 74 of Gintama is canon.

#74

The Manga Writer Becomes A Pro, After Doing A Stock Of Manuscripts

漫画家は原稿のストックが出来てこそ一人前

Aired 20 Sept 2007

Next canon episode: 76

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