Supernatural's biggest stars are apparently too famous to remember Richard Speight Jr and Rob Benedict.
Season 1, Episode 3
March 28, 2014
Leadership is explored through a series of tests that attempt to show how humans instinctively react to social order.
Season 1, Episode 2
March 21, 2014
A look at mating rituals in the animal kingdom and how they are similar to human behaviors.
Season 1, Episode 1
March 14, 2014
Experiments are conducted to show similarities in behavior between humans and other animals. In the series opener, the benefits and detriments of living in a group are examined in the animal world.
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