Day 8: 9:00 P.M. - 10:00 P.M. - S8-E6
Factual error: The bad guys talks in German to Jack Bauer, posing as a German weapon dealer. But the German dialogue is very hard to understand, full of errors and with heavy accents - especially from Jack. After the first sentence his cover would be blown. (00:32:40 - 00:33:15)
Chosen answer: Nobody knew, not even the writers, until at least halfway through the season when they were writing the end. They wanted to keep all options open.