The following is a list of appearances by the Spectrum organisation.
Comics
Front Page
Captain Scarlet and the Mysterons
Doctor Who Magazine
Prose
Short stories
TV Century 21 cover stories
- Capt. Black Mars Expedition Lost!
- SPECTRUM is Green
- Captain Scarlet and the Mysterons
- Captain Scarlet Our Only Hope
- Indestructible
- Mysterons Destroy Cloudbase?
- 4 Hours to Live!
- Is Scarlet Dead?
- Thunderbirds Fail
- Scarlet Kidnapped!
- Mysterons Strike First
- Marineville Ablaze
- Where is Scarlet?
- Stingray Strikes Back!
- Zodiac Death Sentence!
Spectrum Shades
Action 21 cover stories
- Captain Scarlet in Death Crash!
- Zero X Beats Space Curse!
- Captain Black Surrenders
- Send For Stingray!
- Showdown in Space!
- Catfight!