The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 1880 (40 members)
- 1980 (350 members)
- 2003 Video Game (53 members)
- 2007 Video Game (1 member)
- 33 (113 members)
- A Day in the Life (26 members)
- A Death in the Family (3 members)
- A Disquiet Follows My Soul (34 members)
- A Measure of Salvation (40 members)
- A World for the Killing! (1 member)
- A to Z (4,421 members)
- Act of Contrition (175 members)
- Actors in Various Galactica-Related Roles (4 members)
- Adama (TOS) (1 member)
- Administration Templates (2 members)
- Aerilon (3 members)
- Affidavit (4 members)
- All Things Past and Present (4 members)
- Alternate Timeline (44 members)
- Amok Time (5 members)