Season 1 Episodes8
Cast1

Mike Rowe
Himself - Narrator
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Ranked #1 of 8 in Season 1•+0.1 vs season avg
Black Holes, the most powerful destroyers in the Universe, the most mysterious phenomena in the heavens. For years they were only speculation, now modern astronomy is proving them frighteningly real and showing that they may well shape everything we see.

Mike Rowe
Himself - Narrator
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"Black Holes" is episode 2 of How the Universe Works season 1. It scored 8.4/10 from 253 votes, ranking #1 of 8 episodes this season (season average 8.3). It aired on May 2, 2010.