When Dot meets the British Lion statue in London, she is initially standing on the ground, looking at him. In the next shot in which they appear together, she is now sitting on his back.
Dot appears not to be holding onto the sleigh whenever it is inverted while spinning in the air.
When Dot and Santa are in London, he is last seen being taken away by the police and she is last seen standing in front of the British Lion statue. In the next scene however, they are both back in the sleigh.
When Dot and Danny board the sleigh, Ben is no longer present despite having appeared in the entire "Ingenuity" segment up until this point.