Theory:Doctor Who television discontinuity and plot holes/Time-Flight


 * As the Doctor correctly indicates, landing some 140 million years ago puts them towards the end of the Jurassic Period. However, he then says that they can't be 'far off' the Pleistocene 'era' (should be Pleistocene epoch), which wouldn't actually occur for another 138 million years.
 * He must surely have meant the Cretaceous Period, and the 'nip in the air' therefore cannot be the indication of an approaching Ice Age.) ''
 * "Far off" is a relative term - assuming he wasn't simply being flip, as he often is.''


 * Why does the Master bother to dress-up and pretend to be Kalid? He surely can't be expecting the Doctor. What purpose can it serve, especially when dropping the pretense seems to have such little effect on his plans? It comes over as being nothing more than a badly contrived plot twist with which to make a lazy episode cliff-hanger.
 * A bird flies in front of Concorde when it takes off from Jurassic England.
 * There were birds in the Jurassic Period, particularly in the Late Jurassic Epoch.