Ep 15. War

In season 2 episode 15 of Young Justice, titled "War," tensions reach a boiling point between the Reach and the heroes of Earth. The episode begins with the Reach ambassador, who has been revealed to be an alien conqueror, ordering the immediate surrender of all Earth's metahumans to be used as an army for his own conquests.

Meanwhile, the team is split up as some heroes are on the run from the Reach's invading forces while others are attempting to infiltrate the alien mothership. As the battle intensifies, the team's loyalties are tested, and they must decide whether to follow their individual missions or band together to fight the Reach.

The episode also highlights the conflicted relationship between Superboy and Miss Martian, as the Reach's mind control causes them to see each other as enemies. As they battle each other, they must also confront the personal issues that have been causing strain in their relationship.

Throughout the episode, the stakes are high as some heroes are captured and others are pushed to their limits in the fight against the Reach. The tension builds as the team realizes that they may be outmatched and outsmarted by this highly advanced alien race.

In the end, the episode leaves the viewer on the edge of their seat with a cliffhanger as the Reach reveals a shocking secret about their true plans for Earth and its heroes. "War" sets the stage for an epic battle between the Reach and the team in the episodes to come, promising action, drama, and unexpected twists and turns.