<Tr> <Td_colspan="6"> A sudden attack on Outcast Island and Berk during consecutive lightning storms finds the riders facing off once more against the Skrill, who they discover wants revenge on Hiccup and Toothless for re-burying it in the glacier . Hiccup and Toothless decide to face against it one on one and later lead it into a trap, but the Skrill anticipates their plan and traps them instead . The two escape into the ship graveyard and Hiccup decides to lure it towards Ryker, Dagur, and the hunters to incapacitate it, but his plan backfires and the hunters capture the Skrill . The riders are cornered in trying to release it, but receive unexpected help from the Skrill itself in sending the hunters away . Just as they are about to imprison the Skrill again, Hiccup decides against it, and the Skrill is set free . </Td> </Tr> <Tr> <Th> 65 </Th> <Td> 12 </Td> <Td> "Maces and Talons, Part 1" </Td> <Td> Elaine Bogan </Td> <Td> Art Brown & Douglas Sloan </Td> <Td> January 8, 2016 (2016 - 01 - 08) </Td> </Tr> <Tr> <Td_colspan="6"> The riders successfully rescue more dragons from the hunters, leaving Ryker with suspicions about Heather . Their group finally returns and meets the hunters' true leader, Ryker's younger brother Viggo Grimborn, who proposes a secret alliance with Heather in order to oust either Ryker or Dagur as possible traitors . Heather meets with the riders and informs them Viggo is after the Flightmare, but this proves to be a trap by Viggo to eliminate the riders and exposes Heather as a spy . Hiccup plans to use the Flightmare's mist to paralyze the hunters, but Viggo's advanced tactics allow him to escape with the Flightmare, Heather and Windshear as captives, leaving Hiccup to wonder about their dangerous new opponent . </Td> </Tr> <Tr> <Th> 66 </Th> <Td> 13 </Td> <Td> "Maces and Talons, Part 2" </Td> <Td> T.J. Sullivan </Td> <Td> Art Brown & Douglas Sloan </Td> <Td> January 8, 2016 (2016 - 01 - 08) </Td> </Tr>

Dreamworks dragons race to the edge season 7 episode 4