Tunnel Vision

Tunnel Vision is the fourth episode of Dreamworks Dragons: Defenders of Berk.

Synopsis
When the town's well runs dry, Hiccup and Toothless discover a group of baby Whispering Death dragons living in the tunnels underneath, planted there by Alvin

Plot
Stoick, Hiccup, and the teens are trying to get Gobber to bathe when they find that the well has run dry. Hiccup goes down into the well to investigate and ends up falling all the way to the bottom. Toothless jumps in after him, and Stoick and Fishlegs panic. Hiccup and Toothless discover a large and mazing cavern system that runs under the village and stumble upon dragon eggshells. Hiccup and Toothless encounter several Whispering Deaths in the tunnels and chase them back to the surface of the village. While the other teens are trying to chase the Whispering Deaths out of Berk, Hiccup and Toothless join in and chase off three of the dragons. The Screaming Death chooses this time to make an appearence and Hiccup and Toothless give chase with the rest of the teens. Hiccup discovers that the Screaming Death is attracted to sunlight as opposed to having an aversion to it, and Hiccup and Toothless use the massive size of the dragon against it to send it crashing into a mountain. The Screaming Death suffers damage on its wing and three Whispering Deaths carry the Screaming Death off to recover. Later, the twins and Stoick manage to give Gobber a bath, and Hiccup tells Astrid that he's sure that they haven't seen the last of the Screaming Death. On an island far from Berk, the Whispering Deaths give food for the injured Screaming Death as it recovers from its broken wing.

New Dragons
There is a new dragon called the Screaming Death and it is Albino coloured and is a mutated Whispering Death. It is also very big and strong. It has Whispering Death minions, and has several similarities with them.

More information to this dragon "here"

Trivia

 * Despite dozens of eggs being placed under Berk, only three Whispering Deaths appear.
 * According to Hiccup, the Outcasts haven't learned to ride dragons yet, but they are using them.
 * Hiccup confirms Whispering Deaths aren't "one of his favorite dragons."
 * Ruffnut is a fan of Whispering Deaths like Tuffnut.
 * It is revealed in this episode that Gobber doesn't like to take baths.
 * The juvenile Whispering Deaths appear to be the same size as the adult that Toothless fought.

Transcript
Episode transcript