Twin Piques (short story)

Summary
The Doctor and Jamie have just helped the benevolent King Gavin to oust his evil twin Conrad, and after celebrating their victory with the people, they depart in the TARDIS -- only to materialise in apparently the very same place, ten years later. Oddly, Conrad is now the king, but he’s a benevolent monarch, and the people are all convinced that the Doctor and Jamie helped him to oust his evil twin Gavin. Jamie notices that the constellations in the night sky are different, and the Doctor realises that they’re on a doppelganger world, exactly the same as the other in every respect down to the blades of grass -- but if that’s the case, why is Conrad good here and Gavin evil? The Doctor uses the TARDIS’ Fast Return Switch to arrange for both kings to meet, and soon determines that this was actually a case of sibling rivalry; both kings were annoyed by petty little aspects of the other’s behaviour, like Conrad eating with his mouth open, and their followers were too awe-struck to admit this to the kings themselves. The Doctor returns the kings to their respective worlds, but he and Jamie wonder; since they didn’t help the good King Conrad, will they do so in the future -- or do they also have doppelgangers out there?

Characters
Second Doctor

Jamie

Continuity
to be added