This page lists appearances of the planet Kaldor. This timeline is based upon observations of the Doctor Who universe and the events that occur during each of these stories.
- According to the behind the scenes feature, this was intended to take place several months after The Robots of Death.
- The events of The Sons of Kaldor is still in Kaldor's future.
- Set directly after Escape from Kaldor. The Sons of Kaldor are active on Kaldor.
- A week has passed since Escape from Kaldor.
- Set a couple of months after The Robots of Life.
- Iago has recently become a member of Uvanov's staff.
- Takes place shortly before Death's Head.
- Set ten years after The Robots of Death and three years after Corpse Marker.
- Three days have passed since Checkmate.
- Kaldor City appears to be located on Japetus.
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