The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Blu-ray screen captures (The Plot to Kill a City, Part II) (1 member)
- Blu-ray screen captures (The Satyr) (4 members)
- Blu-ray screen captures (Time of the Hawk) (3 members)
- Blu-ray screen captures (Twiki is Missing) (1 member)
- Blu-ray screen captures (Unchained Woman) (1 member)
- Blu-ray screen captures (Vegas in Space) (9 members)
- Broadcast Date Templates (2 members)
- Buck's Duel to the Death (6 members)
- Buck Rogers in the 25th Century (521 members)
- Buck Wiki (18 members)
- Buck Wiki Project (4 members)
- Buck Wiki Shortcuts (2 members)
- Buck Wiki Tasks (3 members)
- Buck Wiki Templates (24 members)
- Buck Wiki disambiguation templates (3 members)
- Buck Wiki documentation (2 members)
- Buck Wiki policies (2 members)
- Candidates for deletion (0 members)
- Cast (33 members)
- Cast (1980) (3 members)
- Characters (73 members)
- Citation templates (4 members)
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- Comic Books (19 members)
- Companies (1 member)
- Computers (3 members)
- Cosmic Whiz Kid (13 members)
- Costumes (1 member)
- Crew (7 members)
- Crew (TOS) (2 members)
- Criminals (1 member)
- Cruise Ship to the Stars (17 members)
- Date/Time Related Templates (2 members)
- Deceased Characters (6 members)
- Descriptive terms (24 members)
- Disambiguation (15 members)
- Draconian (1 member)
- Draconian Empire (16 members)
- Earth (46 members)
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- Escape from Wedded Bliss (27 members)
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- Fighters (1 member)
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- Filming Models (2 members)
- Films (1 member)