Just watched "Father's Day"... I liked it, though the solution was pretty obvious, especially when the car kept looping by. The Doctor's wistfulness about not ever having a life like the married couple's was very interesting and nicely done. The go-back-and-change-things idea is one that more Companions probably should have thought of before, even if it isn't a good
It makes Rose's eventual departure to find Dad [and yes I do know about that lol] quite sensible in its own way.
I hope to get to "The Empty Child" and "The Doctor Dances" tomorrow... but I need to go read some of A Dance With Dragons