Speaking to the Daily Mail (Newspaper), she said
‘It’s a family show. Perhaps there might be a DVD for the over-18s.
‘You’re not going to see any of that funny flirty business in the Tardis.’
On the note of Series 6 Part 2 in terms of monsters and aliens, Karen said
‘The Minotaur is pretty scary and we’ve also got a monster called the Teselecta in Let’s Kill Hitler.
‘It goes back in time to try to right the wrongs of the past.’
[Source] – Thanks to Kasterborous