I can confirm these will be the final titles.
Just been sent these title by my contact. Like all titles these could just be working titles although every time we've said this in the past the episode titles have remained unchanged, although these titles feel a little odd.
But for now we have.
>>>Spoiler Alert...Highlight the InvisoText for the Episode titles.<<<
Episode 4.11 - Cabin Fever
Episode 4.12 - There's No Place Like Home