Justice League Year One

History
Following the attempted invasion of the Earth, the world's greatest heroes unite to defend it from future threats. They are dubbed, The Justice League!

EP1- "Secret Sanctuary"
Welcome to the Secret Sanctuary of the Justice League, a mountain fortress residing on the shore of Happy Harbor, Rhode Island.

Team fights the Appelaxians, primordial alien spirits residing in Mount Justice. They take the forms of wood, gold, crystal, glass, stone, mercury, and fire. They overwhelm the league, but Superman discovers that they are in pain, having been trapped billions of years ago in Mount Justice. The League finds their tombs, setting the alien spirits free.

EP2 - "Mystery in Space"
'''The League intercepts a distress call from the neighboring Alpha Centauri galaxy, where the slave trafficker Kanjar Ro has enslaved numerous planets. Led by Green Lantern, the League ventures off to liberate the innocents.'''

The league discovers human abductions in the back-lands of Stonehenge, battling the alien warlord Kanjar Ro. They discover an abduction slave ring stretching even to the alpha centauri system.

Kanjar Ro uses his gamma gong to paralyze the JL, while hal overcomes its influence with his willpower. He fights the warlord, and Ro reveals that all eyes are on earth after the defeat of the star conqueror.

Jordan is too stubborn to lose, challenging Ro to hand on hand combat without their weapons. Ro accepts, and Hal depowers; they battle. While Hal fights the alien, playing dirty to win. He uses voice command to order the ring to destroy the gong, freeing the league, and the planet Rann.

Hal Jordan brings the question to the League; while they protect Earth, should there come the time to protect the universe itself?

EP3 - "Missing Link"
The League is enlisted by the deposed ape-king Solovar, in order to save Gorilla City from the tyrannical Grodd!

Trouble in Kinshasa, DRC. City has been overrun by killer hyperintelligent Gorillas. Grodd eats the president, and the league (WW, GL, Aquaman, J'onn) tries to beat him. Grodd uses mental powers to enslave League except for J'onn, who resists. In Central City, Flash is met by Solovar, who needs help to overthrow the tyrannical Grodd. Flash doesn't believe in Gorilla City, but receives J'onn's distress signal.

The two infiltrate Gorilla City, and Solovar explains that the ape way is the way of power and conquest. To rule gorilla city one must be the strongest. Solovar had attempted to change his society into a peaceful demoracy, but Grodd incited the old ways and exiled him. Flash challenges Grodd in combat to decide who controls Gorilla city. They battle, with J'onn secretly using his telepathy to defend from Grodd's mental attacks.

Flash wins, but Grodd cheats using mental control of the league, surrounding J'onn in flames. Solovar frees J'onn, revealing Grodd's perceived weakness through using humans to defend himself like a coward. The apes mob rule ousts Grodd and Gorilla City is saved.

EP4 - "Depths"
Atlantis and the UN are under tension after Aquaman is attacked during a foreign relations assembly, leaving it to the Justice League to uncover an international conspiracy!

''Arthur Curry is son of Tom Curry and Atlanna, queen of Atlantis,who ran away from her fiance Orvax. She eaves in fear of Arthur being harmed and they never see each other again.''

Arthur tries to do UN/Atlantis peace treaty, but is attacked by Black Manta. Arthur is badly wounded. The League intervenes, but Trevor and Diana order them to stay back as to avoid an international incident. Batman disagrees with he imposed/required League sanctions, and feels that i impedes their ability to do good.

''Atlanna returns to Atlantis and sires a son with Orvax named Orm. Atlanna and Orvax are killed in a unknown vessel collision in the pacific. Vulko and Orm survive. Vulko brings atlanna's trident to Tom curry.''

Mera and Orm accuse the surface world of the attack. Atlantean cruisers begin to surround various countries as a result. UN and Atlantis are about to go to war but JL steps in to find Manta against ARGUS' wishes while Superman & Diana use their own credibility to defuse the conflict. They discover that Black Manta was hired by Orm to cause the incident so that war would come.

''Orm eventually discovers Arthurs existence, sending aquatic mercenary Black Manta to kill him. Arthur killed the attackers but Manta escapes, mortally wounding Tom Curry in the process. Arthur goes after the escaped mercenary with his mother's trident, and attacks his vessel. He scars Manta's face, but Manta's father detonates the sub in an attempt to kill Aquaman. Manta and Arthur survive, but his father does not.''

JL invades Atlantis, revealing Orm's treachery. Black Manta betrays Orm and prepares to detonate a warhead (the weaponized Atomic Skull) in the center of Atlantis. Aquaman awakens, and returns; stopping the war, defeating Manta and imprisoning Orm.

''Arthur is met by Vulko, and he takes him to Altantis. Orm gives up the throne. Arthur takes his place as king with Vulko and Orm advising him.''

EP5 - "Day of the Demons"
Felix Faust unleashes Hell on the JLA!

Felix Faust summons the sadistic Demons Three with 3 artifacts: Bell of Uthool, Wheel of Nyorlath, and Jar of Calythos.

As the League is distracted dealing with the fiends, they are trapped by Faust using a possessive incantation

They raze happy harbor while Faust holds League at his will, but Green Arrow leaps into action as the last hero.

As this all occurs, the Spectre and Phantom Stranger watch these new found heroes, wagering on their fates, including the interloper Green Arrow.

With the League completely immobilized, Green Arrow faces off against Faust, defeating his ego with mere wit and subversion, ultimately knocking him out with a boxing glove arrow. The Demons Three come to finish off Arrow, but he holds the three totems; forcing them to undo their damage on Happy Harbor. The Demons refuse to keep their oath, as they've been trapped for too long; breaking the rules of Hell summons the Spectre and Stranger, who banish the demons and Faust back to the inferno.

Green Arrow is offered membership by the JL, but he declines, though Hal vouches for him.

EP6 - "Strength in Numbers"
'''Genius Proffessor Ivo releases his greatest creation on the Justice League: the Amazing Amazo. With his ability to replicate the heroes power leaving him unstoppable, it's up to the Batman and an unlikely ally to save the world.'''

League is enslaved by Professor Ivo's Amazo, absorbing their powers effortlessly. Without powers, Batman contacts his ally Ray Palmer to help defeat the menace. Batman holds off the android, exposing it to the same weaknesses that the heroes its power utilizes has.

EP7 (Finale) - "Mind Over Matter"
Despero''', an old acquaintance of the Martian Manhunter, pays a visit to Mount Justice, leaving the League incapacitated. The two battle in a psychic game of chess, with the hearts and minds of the League on the line!'''

Despero enslaves the league. Psychic chess match between the two. Revealed that J'onn and Abin Sur fought alien threat, saved the solar system, j'onn's race was destroyed by an unknown entity. Let out a psychic scream and attracted starro.

Despero escalates conflict, threatening to kill the JL with a psychic chokehold lobotomy. J'onn overcomes despero, and they fight on the ruins of mars. The trapped League psyches call out to j'onn, and they use the power of friendship to overcome despero's psychic arsenal. The League awakens, and despero unleashes his true form; a hulking beast. They fight, but j'onn takes him away from earth, defeating him on both physical and psychic planes.

As the League reconvenes, united to fight yet another day, a figure watches from afar, one who is very familiar with the Manhunter from Mars.

Event - Paradise Lost
The Trickster goddess Circe attempts to free the war-god Ares, from his prison on Themyscira. With the fate of the world at stake, the League must work together to stop the villains!

Timeline

 * This event is part of The Silver Age.
 * It is preceded by Justice League: Origin.
 * It is followed by Flash: Scarlet Speedster

Links

 * Full Reading Order
 * Justice League Reading Order