War Of The Worlds - - Season 2

In the finale, Bill uses a time-travel formula to go back to the day of the first contact. He kills Emily in the past to prevent the existence of the future human-invaders, successfully undoing the invasion and all deaths across both seasons. Episode Guide Key Events 1

The groups unite; they realize the invaders are actually their own future descendants. War of the Worlds - Season 2

Bill injects Emily with the virus; she falls ill, forcing a dangerous mission for insulin. In the finale, Bill uses a time-travel formula

Resistance forms in London; Emily returns from the alien ship with strange visions. Bill injects Emily with the virus; she falls

The second season of the (2019 TV series) significantly shifts from a standard alien invasion to a high-stakes sci-fi thriller involving time travel and genetic evolution. Plot Overview & Key Developments

It is revealed that the invaders are not from another galaxy but are the descendants of Emily and Sacha , who traveled back from a distant future to harvest healthy organs and fix their genetic defects.