For decades, scientists believed dinosaurs were diurnal and tiny mammals were nocturnal. But as researchers have uncovered more mammalian fossils and studied the biology of different dinosaur species, they’ve found some surprising results.
| Creator | Hank Green |
|---|---|
| Actor | Kallie Moore, Blake de Pastino, Michelle Barboza-Ramirez |
| Country | United States of America |
| Production | PBS Digital Studios |
| Season 0(6 episode) |
|---|
| Season 1(24 episode) |
| Season 2(45 episode) |
| Season 3(39 episode) |
| Season 4(39 episode) |
| Season 5(31 episode) |
| Season 6(68 episode) |
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