The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Blog posts (0 members)
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- Cast and crew (8 members)
- Characters (16 members)
- Disambiguations (0 members)
- Episodes (34 members)
- Episodes written by C.H. Greenblatt (6 members)
- Episodes written by Carl Faruolo (3 members)
- Episodes written by Craig Bartlett (6 members)
- Episodes written by Craig McCracken (7 members)
- Episodes written by John Sugg (2 members)
- Episodes written by Lauren Faust (5 members)
- Episodes written by Nicolas Mininson (1 member)
- Females (1 member)
- Help (0 members)
- Images (1 member)
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- Movies (2 members)
- Season 1 episodes (20 members)
- Season 2 episodes (13 members)
- Template documentation (28 members)
- Templates (25 members)
- Villains (11 members)