In het derde deel van deze documentaire-reeks worden vier bands uit Los Angeles gevolgd: Final Conflict, Litmus Green, Naked Agression en The Resistance. Daarnaast toont Penelope Spheeris hoe dakloze jongeren moeten zien te overleven.
Nee, helaas is The Decline of Western Civilization Part III nog niet beschikbaar op Netflix in Nederland.
| Directing | Penelope Spheeris | Director |
| Camera | Jamie Thompson | Director of Photography |
| Editing | Ross Albert | Editor |
| Editing | Ann Trulove | Editor |
| Production | Guy J. Louthan | Producer |
| Production | Scott Wilder | Producer |
| Sound | Phil Suchomel | Original Music Composer |
| Sound | Mike Chock | Sound Mixer |
| Sound | Mike Chock | Supervising Sound Editor |
| Sound | Joe Michalski | Sound Mixer |
| Camera | Penelope Spheeris | Camera Operator |
