The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Dynamite Comics (RDM) (171 members)
- Dynamite Comics (TOS) (67 members)
- Dynamite Entertainment (1 member)
- Eaglemoss (25 members)
- Earth (15 members)
- Editors (5 members)
- Editors (RDM) (4 members)
- Editors (essay) (2 members)
- Email Correspondence (6 members)
- End of Line (50 members)
- Entertainment (The Caprican) (22 members)
- Epiphanies (48 members)
- Episode Gallery (1980) (10 members)
- Episode Gallery (Caprica) (18 members)
- Episode Gallery (TOS) (21 members)
- Episode Gallery (TRS) (75 members)
- Episode Guide (169 members)
- Episode Guide (1980) (36 members)
- Episode Guide (Caprica) (37 members)
- Episode Guide (RDM) (121 members)
- Episode Guide (TOS) (47 members)
- Episode Guide (TRS) (173 members)
- Episode written by Drew Z. Greenberg (1 member)
- Episodes by director (1980) (6 members)
- Episodes by director (Caprica) (5 members)
- Episodes by director (RDM) (19 members)
- Episodes by director (TOS) (9 members)
- Episodes by director (TRS) (1 member)
- Episodes by story (Caprica) (5 members)
- Episodes by story (RDM) (5 members)
- Episodes by story (TOS) (8 members)
- Episodes by writer (1980) (8 members)
- Episodes by writer (Caprica) (7 members)
- Episodes by writer (RDM) (20 members)
- Episodes by writer (TOS) (9 members)
- Episodes by writer (TRS) (1 member)
- Episodes directed by Ahmer Lateaf (2 members)
- Episodes directed by Alan J. Levi (3 members)
- Episodes directed by Alan Levi (0 members)
- Episodes directed by Allan Kroeker (2 members)
- Episodes directed by Barry Crane (2 members)
- Episodes directed by Bill Eagles (1 member)
- Episodes directed by Brad Turner (1 member)
- Episodes directed by Christian I. Nyby II (5 members)
- Episodes directed by Daniel Haller (4 members)
- Episodes directed by Donald Bellisario (2 members)
- Episodes directed by Edward James Olmos (5 members)
- Episodes directed by Eric Stoltz (1 member)
- Episodes directed by Félix Enríquez Alcalá (5 members)
- Episodes directed by James Head (1 member)