Theory:Doctor Who television discontinuity and plot holes/The Curse of the Black Spot


 * Wouldn't the TARDIS translation circuit make Captain Avery understand what the Doctor meant by "sensors"?
 * If he doesn't know what they are, he still wouldn't understand what the Doctor meant. It's like how the people in Pompeii didn' t know what a volcano was.


 * If the crew on the alien spacecraft got a human disease then why didn't the 'Siren' put them in stasis as well instead of leaving them to die? Toby had a fever and he was put under stasis. Shouldn't the same apply?


 * When Doctor and Co got zapped into the alien ship, they arrived merely briefly stunned. All other victims were stored in suspended state upon arrival, even those who had no life-threatening injury. Why the different treatment?


 * Even for Dr Who, it's a bit of a stretch to have a crew of sailers with no knowledge of science more advanced than the astrolabe able, with no training, to successfully pilot an alien spacecraft that doesn't even have controls labeled in a langauge they could understand.


 * A repeat of the classic 'Period Terminal Illness' hole: The Doctor could cure anyone if he wanted by just taking them on a day-trip to a period when medicine has advanced sufficiently. Collect boy, go forward a few centuries, collect antibiotics, return boy. If this is against the Doctor's non-interference rules or risks the integrity of the timey-wimey ball, then so be it - but it would be nice to see the possibility at least mentioned and dismissed rather than leave it dangling.