NOVA
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.

Season 39 · Episode 8 ·
The Fabric of the Cosmos: Universe or Multiverse?
Hard as it is to swallow, cutting-edge theories are suggesting that our universe may not be the only universe. Instead, it may be just one of an infinite number of worlds that make up the multiverse. In this show, Brian Greene takes us on a tour of this brave new theory at the frontier of physics, explaining why scientists believe it's true and showing what some of these alternate realities might be like.
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Episode 8 of season 39 of NOVA: “The Fabric of the Cosmos: Universe or Multiverse?”. Aired 2011-11-23. Watch it online free on ZapFlix.