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

Catherine finds Bill in London; Bill explains his plan to infect the alien race. War of the Worlds - Season 2

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. In the finale, Bill uses a time-travel formula

Catherine discovers the method of alien travel (space and time) via computer algorithms. It is revealed that the invaders are not

Bill travels back in time, resets the timeline by killing Emily, and is arrested for murder in the "new" reality. Season 2 – War of the Worlds - Rotten Tomatoes

Neuroscientist Bill Ward (Gabriel Byrne) develops a virus to target the invaders. He tests it on Emily Gresham (Daisy Edgar-Jones), discovering it is effective because she shares genetic material with them.

French survivors Catherine, Nathan, and Sophia attempt to reach London.