Categorical Imperative (short story)

	[[doctor::First Doctor, Third Doctor, Fourth Doctor, Fifth Doctor, Sixth Doctor, Seventh Doctor, Eighth Doctor]]
	Sarah Jane Smith, Ace, Charley Pollard, Jamie McCrimmon, Jo Grant, Susan, Peri
	Simon Guerrier
	Short Trips: Monsters

Summary

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Characters

• First Doctor
• Third Doctor
• Fourth Doctor
• Fifth Doctor
• Sixth Doctor
• Seventh Doctor
• Eighth Doctor
• Sarah Jane Smith
• Ace
• Charley Pollard
• Jamie McCrimmon
• Jo Grant
• Susan
• Peri

References

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Notes

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Continuity

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Timeline

For the First Doctor:

External Links

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