Night of Desirable Objects - S2-E2
Revealing mistake: When the typewriter is being used at the end, the keys being pressed don't correspond to the words appearing on the paper. Obvious from the start - the first letter pressed is on the middle row of the keyboard, but the first word typed is "unacceptable".
Night of Desirable Objects - S2-E2
Continuity mistake: A newspaper death notice of a mother and child is shown dated "September 1992". Two scenes later the tombstones of the same individuals are shown, dated "November, 1991"
Night of Desirable Objects - S2-E2
Continuity mistake: Just before Walter's hand goes numb, Jean the cow can be seen alone in her pen. Then in the next shot, as Peter walks behind his father, Astrid has instantly appeared in the pen with Jean, brushing her. (00:13:40)
Answer: In the time line of Season 4, William Bell is trying to destroy both universes to create a new one, and he needs Olivia to power the collapse. So he helped her escape. But the real question is, if not in search of Peter, why Olivia has to travel to the alternate universe to be captured and replaced?
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