The episode features Young Justice team members Robin, Aqualad, Superboy, and Kid Flash, while Miss Martian and Artemis joined later in the series.

Batman mentions how he always had suspicions about Project Cadmus, but as he considers using the opportunity to investigate it, Zatara subsequently contacts the League for their full support to help him stop Wotan from blotting out the sun.

As the mentors leave, they order the young heroes to stay put, but Robin suggests they investigate Project Cadmus and solve the case before the League does.

After the G-gnomes free Guardian of their telepathy, Desmond arrives to stop the heroes, drinking a serum known as project: Blockbuster, turning him into a powerful beast.

After he knocks out Guardian, the ensuring fight between blockbuster and the young heroes reaches the surface, where they finally defeat him by causing the entire building to collapse on top of him.

Though they now have enough evidence to put Project Cadmus under full investigation, the mentors reprehend the young heroes for disobeying their orders, but they respond by asserting what they have done was important and convince the League to let them form a team.

Executive producers Greg Weisman and Brandon Vietti said that their aim was to keep the show "young", "fresh", "contemporary", and "from scratch" from the first episode.

[4] R. J. Carter of The Trades said that the episode "sets a lot up in terms of character relationships that will provide a ton of fodder to explore in the upcoming series".

[5] A review on entertainment website ComicsAlliance, however, delivered a mixed verdict that highlighted large amounts of exposition and unoriginal characters as a drawback to the fledgling series, opining that "There was nothing in here that (isn't) done better elsewhere".