I think it was one of the better episodes of this series, at least I did not fall asleep this time (after having looked forward to it all week), but it would appear that I am alone in thinking it is still disappointing compared to the first series.
In the earlier series the length was the same but it felt like 10 minutes because it was full of interest, forever on the move and that tree kept growing and moving further back, further than some of us without such resources/experience/time, can ever hope to achieve.
This series seems to concentrate mostly on just one ancestor. The FBI/Communist part of this episode was interesting but I was very glad when they eventually moved on.
Zoe Wanamaker came over as I hoped she would, a lovely lady with genuine emotions but I must be one of the few who would not mind who's tree (celebrity or not )it was as long as it was entertaining, interesting and informative.