The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- A Channel (2 members)
- Article management templates (4 members)
- Article stubs (0 members)
- Artwork (1 member)
- BlogListingPage (0 members)
- Blog posts (1 member)
- Browse (9 members)
- Candidates for deletion (0 members)
- Candidates for speedy deletion (0 members)
- Category templates (3 members)
- Characters (15 members)
- Community (6 members)
- Content (1 member)
- Copyright (0 members)
- Disambiguations (0 members)
- Episode (1 member)
- Episode titles (11 members)
- Episodes (12 members)
- Forums (7 members)
- General wiki templates (31 members)
- Help (5 members)
- Help desk (2 members)
- Hidden categories (2 members)
- Image galleries (9 members)
- Image wiki templates (9 members)
- Images (17 members)
- Infobox templates (9 members)
- Media (2 members)
- Misc images (7 members)
- Miscellanous (1 member)
- Music (3 members)
- New pages (0 members)
- Organisation (0 members)
- Organization (8 members)
- Pages proposed for deletion (0 members)
- Pages with broken file links (3 members)
- Policy (2 members)
- Profile images (9 members)
- Screenshots (58 members)
- Site administration (4 members)
- Site maintenance (4 members)
- Students (8 members)
- Teachers (3 members)
- Template documentation (62 members)
- Templates (11 members)
- User access levels (2 members)
- Videos (5 members)
- Volumes (1 member)
- Watercooler (2 members)