Complete story — includes the ending
With M'gaan's retired bio-ship as an aid for their travel, Saturn Girl and Chameleon Boy reveal to Superman that they are heroes from the future and ask for him to be in Happy Harbor in ten years from the present day. They later go to Bart Allen for help. Meanwhile, King Arthur begins repair works in Poseidonis and Mera believes the stranger might be the Atlantean king of an ancient prophecy. Child causes a pillar of fire in Atlantis, and Mera, Ocean Master, and the unknown man defeat it together. Orm is later arrested and the stranger reveals himself to be Arion. While exploring the dimension, Conner grows frustrated until the Devourer, a Dunkleosteus -like creature, attacks him while he is protecting Phantom Girl. Conner discovers the Devourer is attracted by his anger and calms himself, allowing it to pass through him harmlessly. In a mid-credits scene, Vandal declares Project Thrinos to be their priority.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, List of Young Justice episodes. HTML formatting and reference markers removed. · Content license