The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
(first | last) View (previous 50 | next 50) (20 | 50 | 100 | 250 | 500)- 1940's (1 member)
- Article management templates (3 members)
- Article stubs (14 members)
- Arts (3 members)
- Astronomy (6 members)
- Billy the Kid (TTT episode) (1 member)
- Biology (3 members)
- BlogListingPage (0 members)
- Blog posts (1 member)
- Botany (3 members)
- Candidates for deletion (0 members)
- Category templates (3 members)
- Clothing (1 member)
- Code Red (1 member)
- Community (5 members)
- Content (1 member)
- Copyright (3 members)
- Culture (4 members)
- Directors (6 members)
- Disambiguations (0 members)
- Earth (1 member)
- Females (1 member)
- Fictional robots (1 member)
- Film and television (1 member)
- Food and drink (10 members)
- Forums (7 members)
- General wiki templates (24 members)
- Giants (1 member)
- Help (22 members)
- Help desk (7 members)
- Heroes (1 member)
- Hidden categories (2 members)
- Humans (13 members)
- Image wiki templates (9 members)
- Images (14 members)
- Images (maintenance) (8 members)
- Images by episode (LiS: A Change of Space) (1 member)
- Images by episode (LiS: A Day at the Zoo) (1 member)
- Images by episode (LiS: A Visit to Hades) (3 members)
- Images by episode (LiS: All That Glitters) (1 member)
- Images by episode (LiS: Attack of the Monster Plants) (1 member)
- Images by episode (LiS: Blast Off Into Space) (8 members)
- Images by episode (LiS: Castles in Space) (1 member)
- Images by episode (LiS: Condemned of Space) (3 members)
- Images by episode (LiS: Curse of Cousin Smith) (5 members)
- Images by episode (LiS: Deadliest of the Species) (1 member)
- Images by episode (LiS: Flight Into the Future) (1 member)
- Images by episode (LiS: Follow the Leader) (1 member)
- Images by episode (LiS: Forbidden World) (3 members)
- Images by episode (LiS: Fugitives in Space) (1 member)