After knowing Astrids uncle is paralyzed by the Flightmare, Hiccup and Astrid are determined to find out where it comes from.\r<br>\r<br>Watch more of DreamWorks Dragons: Defenders of Berk only on Cartoon Network!\r<br>Watch more videos and play Dragons: Defenders of Berk games:\r<br>\r<br>\r<br>Watch more videos on the go, get the Cartoon Networks Watch And Play app here:\r<br>\r<br>\r<br>Check out our Cartoon Network Facebook pages:\r<br>\r<br>
