The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Flag templates (27 members)
- Flight of the War Witch (17 members)
- Flight of the War Witch, Part I (12 members)
- Flight of the War Witch, Part II (4 members)
- Foes (8 members)
- Former Star Trek Cast and Crew (5 members)
- Galactipedian (1 member)
- Galactipedian (US) (1 member)
- Gallery (1 member)
- General wiki templates (1 member)
- Glen Larson Productions Cast and Crew (15 members)
- Happy Birthday, Buck (11 members)
- Image tags (3 members)
- Image tags helper templates (9 members)
- Infobox (14 members)
- Infobox Templates (1 member)
- Infobox templates (1 member)
- Infoline (4 members)
- Internal link templates (5 members)
- Items (1 member)
- Journey to Oasis (6 members)
- Lists (8 members)
- Location (1 member)
- Locations (12 members)
- Main Characters (8 members)
- Major Stub Pages (2 members)
- Mark of the Saurian (14 members)
- Mathematical templates (3 members)
- Media (3 members)
- Media (BR25) (0 members)
- Media infoboxes (1 member)
- Mentioned-Only Characters (5 members)
- Misc. Citation templates (1 member)
- Misc. Templates (1 member)
- Navigational Infobox (13 members)
- New Chicago (1 member)
- Novels and Novellas (6 members)
- Olympiad (10 members)
- One-Shot Characters (43 members)
- Organizations (6 members)
- Pages using Tabber parser tag (231 members)
- Pages with broken file links (331 members)
- Pages with iFrames (1 member)
- ParserFunctions (1 member)
- Pictures of the Day (12 members)
- Places (17 members)
- Planet of the Amazon Women (13 members)
- Planet of the Slave Girls (147 members)
- Planet of the Slave Girls, Part II (1 member)
- Planet of the Slave Girs (1 member)