Elementary

Season 2 Episode 14

Dead Clade Walking

Aired Thursday 10:00 PM Jan 30, 2014 on CBS

Trivia

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  • Trivia

    • Title: A clade is a technical term for an evolutionary group of organisms that includes an ancestor and all of its descendants. The doomed organisms that survived the five greatest mass extinctions in Earth's history represent the last of their clades. Paleontologist David Jablonski called these organisms "Dead Clade Walking", in homage to the 1995 film Dead Man Walking, about a death-row inmate.