    Sentence 4 in what episode dies the "Fall ofthe Eléventht: happen?”    Seiitnce 2;'In:the. 2013. episode :“The'Timie of the; Dactor,” the  Eleventh. Dottor clarified .he*"wBis the product ef the. twelfth  regeneration, due to a previdus, incafnation’ which he chase not to  count one ote abort regeneration