This series follows a highly unpredictable species called humans.

The arcs:

Season 1: The dawn of empires (800 BCE - 476 CE)

Season 2: Expansion (476 CE – 1453 CE)
Season 3: New era (1453 CE – 1648 CE)

Season 4: Chaos (1648 CE – 1914 CE)
Season 5: All out war (1914 CE – 1991 CE)
Season 6: Information (1991 CE – 2023 CE)
Season 7: Concern (2023 CE – Present Day) (ongoing)