Since you don't give any specifics, and that television show is primarily fabrication, then I must assume you mean the "crowned" tyrannosaurus rex, Guanlong, that was discovered recently in China. That is just a new specimen of a *known* species of dinosaur. A fine specimen, but the only thing new about it is the bony crown on its head.
The "Frozen Dragon" you mentioned is from that "documentary"... they make pseudo-science look so good these days...
"The Animal Channel (part of the Discovery Network) produced an interesting show, called Dragons: A Fantasy Made Real. Dragons provides a faux documentary that shows scientists discovering a frozen dragon carcass in a cave high in the mountains. Inside the cave scientists also find the bodies of several 15th-century humans. As the Dragons show reminds us several times during the show -- Dragons have been recorded in nearly every single human culture. Even cultures that did not have contact with one another like the Aztecs and Inuit Eskimos. "
http://www.sciencenewsblog.com/dinosaurs/Notice the phrase *faux documentary*? They even tell you it is fake in the title "Dragons - A Fantasy Made Real". It is a fabrication. And I did watch it when it was on the cable. It was fun fake science. But that is all it was. Sorry.
