In The Giggle, the Toymaker said that he had made a jigsaw of the Doctor's life, a handy bit of dialogue that can excuse a whole host of inconsistencies within the continuity of Doctor Who. It also reflects the fun of being a Doctor Who fan – the obsessive pursuit of answers as we try and connect the jigsaw pieces of the Timeless Child, and the half-human Eighth Doctor. However, there are some jigsaw pieces that just do not go together, no matter how much you hammer the edges.

Sometimes these inconsistencies are purely by accident, a quirk of the fact that Doctor Who has been going for over 60 years and it would be incredibly difficult to ensure that every tiny detail fits together. Other times, it's just carelessness, a lack of research on the part of a writer, or a script editor who should've highlighted a glaring error. On the plus side, the fun of Doctor Who's canon contradictions are the ways that fans try to make sense of them.

So with that in mind, let's take a look at some of the most head-scratching ones we've seen over the years – and perhaps suggest a few ways they could be explained away! 10. The Fate Of The Mary Celeste In 1872, the merchant ship Mary Celeste was found abandoned and adrift in the middle of the Atlantic Ocean, leading to decades of speculation about what happened to the crew. Was it an elaborate insurance scam? Was the ship attacked by a giant squid? Or was everyone chased overboard by Daleks? That's the answer that Terry Nation provided in th.