Continuity: The father tears the children's advert for a nanny up into 8 pieces, but when it comes out of the chimney it's in far more bits.

Factual error: The Robin that comes along in the movie is an American Robin, not a British Robin.

Revealing: An early scene with the constable and the children, Jane silently mouths along with one of Michael's lines.

Other: In the ceiling tea party, Mary Poppins offers Bert some sugar, and when he responds that he would not like any, his Cockney accent is gone.

Continuity: In the scene where Mr. Banks returns to the bank at night to be reprimanded, look at his torn carnation when it is placed back in his lapel. In each shot, it changes in size, shape and colour at least seven times.