That gets complicated. There may be time-travel involved. What's worse is that the past bears an uncanny resemblance to present and future, for an endless number of epochs. Best you can do is take note of what kinds of artificial life is kicking around, and ask everyone if they've ever heard of "All along the Watchtower."
StarTrek Elysium: Picard after some manuevers in the bar, find himself in an alien civilization with no memories. How will the crew solve this one?
That gets complicated. There may be time-travel involved. What's worse is that the past bears an uncanny resemblance to present and future, for an endless number of epochs. Best you can do is take note of what kinds of artificial life is kicking around, and ask everyone if they've ever heard of "All along the Watchtower."