>> awk! >> ok. let's play "that's not a dinosaur."sp] look. a dragonfly. that's not a dinosaur. it's an insect. >> aww, i was gonna pick dragonfly. now what species can i pick? hmm. awk! this rock isn't a rock. >> aah! >> hello. i'm tiny pteranodon. this is don and buddy and shiny. who are you? >> i'm adam, adam atticus. i'm a turtle. >> whoa! >> so...does that mean you're not a dinosaur? >> nope, i'm not a dinosaur. i'm a water turtle. >> whoo-hoo! that's not a dinosaur! >> it's a game we're playing. [knocking] >> what do you call this part of you? >> that's my shell. beauty, huh? >> yeah. how does your head go all the way into your shell? >> we atticus are turtles that can retract them. that means to pull them in. our heads are retractable. >> retractable--good word. >> [sniffing] ah-ah-ah-ah-choo! >> ah! >> whoa! >> awk! that was amazing, adam. >> hey! maybe i can retract my head. [grunting] >> [laughter] >> whoa! unh! >> [laughter] >> nice try, don. >> well, adam, that is one amazing shell. it's sort of like you carry your home ar

pteranodon. >> awk!e it 'cause there's no place no place like our nest ♪ [cheering] >> hi, there. i'm dr. scott the paleontologist. nature can make some amazing kinds of weather. wildest of all are the huge swirling storms called hurricanes. hurricanes form over warm oceans, usually in the summertime. they pick up water from the ocean and grow bigger and bigger. their powerful winds can get up to 200 miles an hour. when you look at them from above, hurricanes create the shape of giant whirlpools, and in the middle of the whirlpool is a calm center that we call the eye of the hurricane. hurricanes sometimes move onto land, carrying their heavy rains and strong winds. they can cause flooding, and the intense winds can damage trees and buildings and just make a huge mess of things. paleontologists like me have found evidence in ancient rocks of dinosaurs and other creatures all washed inland by giant storms, so we know that hurricanes happened during the age of dinosaurs, too, and it must have been pretty h

>> awk!] hey, buddy. hey, tiny. hello, pteranodon family. >> hi, elmer. >> elmer, this is our friend gilbert. >> hello. you must be a troodon, huh? i can tell by your great toe claws. >> excellent observation, my marine reptilian friend. >> so, elmer, what are you elasmosaurus gonna do today? >> well, actually, we have to leave this area. >> you have to leave? >> yeah. not for long, but most of the fish we eat have moved away from here, and we have to follow them. maybe you could follow us. >> could we? maybe the train could ride alongside the elasmosaurus. >> well, unfortunately the underwater tunnel that brought us here doesn't go in the direction that the elasmosaurus family is going. >> aw! >> maybe we could all swim like elmer. >> i'm not much of a swimmer, don. >> heh heh! neither am i. >> hmm. it's too bad there isn't some kind of train that could travel through the water without tracks. >> ohh! uncle conductor, i just got a great idea! what about our... [whispering] >> well, gilbert,