Season 41, Episode 20 Bigger Than T. rex
First Aired: November 5, 2014
Reconstructing a Spinosaurus and the world it ruled. Based on fossils found in Morocco, the dinosaur was 53-feet long and possessed a huge dorsal sail, scimitar-like claws and powerful jaws.
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- Premiered: March 3, 1974
- Rating: None
- Premise: PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys (four in 2002 alone) since its 1974 debut. `Nova' clearly, and often engagingly, `demystifies' a vast range of science, technology and history topics---past a… (more)