What would happen if aliens invaded? In this hypothetical scenario, a swarm of small spacecraft depart their huge mothership, and hover in our atmosphere. The ships open their hatches, and deposit thousands of mysterious pods on the earth's surface. Are they are message, a gift or a weapon?

The below guests are featured in this episode: 

  • Seth Shostak
  • Sean M Carroll
  • David Brin
  • Hakeem Oluseyi
  • Paul Davies
  • Alan D Foster
  • Malcolm MacIver
  • Wei-Min Shen

For even more Alien Encounters, head to discovery+. Go to discoveryplus.com/alienencounters. Terms apply.

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