Summary
Alvin reveals he trained the Screaming Death to attack Berk and destroy the island's inhabitants and only Snotlout and Hookfang can save Berk before it's too late. Meanwhile Hiccup gets ready for a final fight against Dagur to save Toothless and end the barbarians invasion of Berk once and for all.
Regular Show: The Lost Tapes
Ben 10
Codename: Kids Next Door
DC Super Hero Girls
Harvey Birdman, Attorney at Law
Mao Mao: Heroes of Pure Heart
Megas XLR
Mighty Magiswords
OK K.O.! Let's Be Heroes
Regular Show
Sonic Boom
Steven Universe