The main premise of “Sense8,” premiering today on Netflix, is pretty straightforward: Eight people in eight different cities around the world gradually realize that they share a mental connection with each other.

But what’s going on beyond that is a pretty baffling--at least for the first few episodes of the series, which was created by Andy and Lana Wachowski (the “Matrix” trilogy) and screenwriter J. Michael Straczynski (“Babylon 5”).

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