The Journal - S8-E7
Continuity mistake: In this episode Olivia states that she conceived one month after getting married. Olivia asks John if he remembers that summer when just the two of them went camping up on the mountain, and they both recall that it was their one month anniversary after eloping. Olivia also says that she knew later that night, "That there's some kind of miracle happening inside me," and even felt that it was a boy - John-Boy, their eldest child. The problem is, in 8x1 "The Homefront," when Cindy joins Olivia in the garden, Cindy asks, "How long was it before you knew you were expecting John-Boy?" and Olivia replies, "About two years, but everybody is different..." (00:23:10)