DD2 said 'I played with X and Y today. We played 'doggies'. I was X's doggy and Y was the burglar.'
I recognised the plot so I said:
'Ooh, like 101 Dalmatians.'
DD2 frowned and said 'No!'
I said 'Was Y trying to steal you?'
DD2: Yes.
Me: 'Well....in 101 Dalmatians the burglars were trying to steal the doggies, weren't they?'
DD2: Yes.
Me: 'So it's like 101 Dalmatians...'
DD2: 'No, Mummy! There weren't lots of them. They didn't have spots and we. were. human .!!!!