Just watched both parts of Menagerie last night - what a great episode. What I question is how they expected Pike and Vina to be the new Adam and Eve. When we see the real version of Vina, it looks like she is old and was put back together pretty poorly, and is rather unhealthy. To expect her to be able to reproduce to give the Talosians the human race that they needed appears to be impossible. A flaw in the plot?