The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Affiliates (6 members)
- Animals (1 member)
- Awards (2 members)
- Bank shows (2 members)
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- Browse (8 members)
- Bruce Springsteen (1 member)
- Bucket Show on Twitch (10 members)
- Callback (10 members)
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- Character (13 members)
- Credits (13 members)
- Disambiguations (0 members)
- Episodes (511 members)
- Events (3 members)
- Forums (6 members)
- Guest (10 members)
- Help (3 members)
- Help desk (2 members)
- History (1 member)
- Images (0 members)
- Improv Games (5 members)
- Jingle (14 members)
- Locations (1 member)
- Music (3 members)
- Penn & Teller: Fool Us (1 member)
- People (31 members)
- Podcasts (6 members)
- Scoopmail (10 members)
- Show (2 members)
- Spooktacular (1 member)
- Steve Winwood (3 members)
- Template documentation (29 members)
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- Vegas Shows (2 members)
- Watercooler (2 members)