Season 2 Episodes18
Cast2

David Ackroyd

Erik Thompson
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Ranked #4 of 18 in Season 2•+0.2 vs season avg
Scientists have no idea what it is, but Dark Matter and Dark Energy make up 96% of the Universe. Dark Matter is everywhere. It passes through everything we know on earth at billions of particles every second, yet no one has ever gotten a direct

David Ackroyd

Erik Thompson
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"Dark Matter" is episode 6 of The Universe season 2. It scored 7.8/10 from 119 votes, ranking #4 of 18 episodes this season (season average 7.6). It aired on January 15, 2008.