10 Doctor Who Episodes With Disturbing Implications

10. The Flesh Feels The Pain Of Amy's Death (The Almost People)

Series 6 introduced programmable matter called Flesh, which was used to create "gangers" - exact duplicates (including memories) of humans.

This raised a major philosophical debate in the first half of the series: should the Flesh be treated as a real, living thing? Or is it simply a disposable tool? There are arguments on both sides, but during the two-part story The Rebel Flesh/The Almost People, it's made abundantly clear that we should all be on team Flesh.

This is because the entire point of these episodes is to show that the Flesh has a sentience of its own, and that it feels pain and suffering when its gangers are "decommissioned" - or, to put it bluntly, killed.

Bearing this in mind then, there's quite a dark edge to The Almost People's climactic TARDIS scene that a lot of people might have missed.

Here - in a shock twist - it's revealed that Amy is a ganger when the Doctor melts her down into a puddle of goop. The real Amy is safe and unharmed, but hang on: didn't we just spend two episodes learning that the Flesh has its own consciousness, that it's alive, and that it can recall the deaths of its gangers?

Most viewers were so blown away by the twist that they probably didn't consider this, but everything we know about the Flesh implies that it will feel the pain of ganger-Amy's death, which effectively means that the Doctor is committing murder with this act.