When did NOVA Season 48 Episode 18 air?
NOVA Season 48 Episode 18 aired on November 3, 2021 at 9 PM ET.


PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.

Straddling the night sky, the Milky Way reminds us of our place in the galaxy we call home. But what shaped this giant spiral of stars and what will be its destiny? NOVA travels back in time to unlock the turbulent story of our cosmic neighborhood, from its birth in a whirling disk of clouds and dust to colossal collisions with other galaxies. Finally, peer into the future to watch the Milky Way’s ultimate fate as it collides with the Andromeda galaxy, over 4 billion years from now.
Direct answers for episode-level questions and details.
NOVA Season 48 Episode 18 aired on November 3, 2021 at 9 PM ET.
This episode runs for approximately 55 minutes.
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