The first show: Oct.30, 1999.
The first episode is called "Avengers Assemble, Part One" and features Ultron as the villain.
Scenes include:
The credits for The Avengers include Marvel's Avi Arad and Saban's Eric Rollman as executive producers, Marvel's Matt Edelman as co-executive producer, Eric Lewald and Julie Lewald as story editors and Ron Myrick as director and producer.
Captain America, Iron Man and Thor aren't part of the regular Avengers TV team, but they are featured in the opening credits and will be appearing in future episodes.
Here's a rundown of the first season's episodes, with information provided by Fox Kids:
AVENGERS ASSEMBLE - PART I
The Avengers race to protect the President from a squad of flying robots,
transforming vehicles and a mysterious android called The Vision. During one attack, Wonder Man is injured while protecting Ant-Man. Will he survive? AVENGERS ASSEMBLE - PART II
As Wonder Man's life slips away, Ant-Man frantically works to transfer Wonder Man's essence, his "engrams" to The Vision. After a huge battle with Ultron, Falcon and The Vision become official members.
COMMAND DECISION
Assigned to guard a shipment of highly dangerous government weapons, the Avengers' mission is complicated when Baron Zemo and his Masters of Evil try to steal the cargo. To make matters more difficult, Captain America comes on the scene, leaving Ant Man to work out his leadership issues while still focusing on the job at hand.
EGG-STREME VENGEANCE
Jealous genius Elihas Starr (a.k.a. Egghead) initiates a plot to destroy his arch-rival Ant-Man by making Ant-Man's "Pym Particles" go crazy. While the other Avengers raid Egghead's fortified headquarters, Wasp and Vision race to find a cure before Ant Man shrinks into subatomic oblivion.
KANG
Time traveler Kang the Conqueror appears creating havoc while looking for a special crystal obelisk from ancient Egypt. This object would allow him to go back into the future and oppress millions of people. The Avengers must protect the world, past, present and future, at all costs.
COMES A SWORDSMAN
The traveling carnival, of which Hawkeye used to be a part, is behind a series of thefts from a biological weapon study lab. When the Avengers question Hawkeye about his loyalties, he is insulted and leaves. While the Avengers face the thieves, Hawkeye must face his past and his old mentor, the Swordsman.
REMNANTS
Strange remnants of Ultron's previous experiments create terror on an island where France's main nuclear testing facility exists. The Avengers race to control or destroy these machines before they start a nuclear war. Only they haven't planned on Ultron paying a visit as well.
SHOOTING STARS
When satellites are blasted out of their orbits, the whole world is threatened. Learning that the criminal organization The Zodiac is behind the chaos, the Avengers rocket into space to stop the blackmail of Earth's cities. TO RULE ATLANTIS
When an artificially induced earthquake rocks the North Atlantic, the Avengers must deal with Namor, the ruler of Atlantis, and ultimately face the barbarian Attuma.
WHAT A VISION HAD TO DO
Vision volunteers to be "bait" to allow himself to be captured by Ultron as a way for the Avengers to track him to the villain's lair. It works, but Ultron is ready for them. Will Wonder Man's engrams be returned to his body?
THE SORCERESS' APPRENTICE
Scarlet Witch goes to see her mentor, sorceress Agatha Harkness. Agatha is captured by an evil magical group, The Salem Seven, and Vision and offers Scarlet Witch assistance in trying to rescue Agatha. There are new developments in the Wonder Man saga.
EARTH AND FIRE - PART I
Something is dangerously affecting the magnetic fields of the earth. Wasp realizes that her father's old business partner, Cornelius Van Lundt, is behind the disruptions. Wasp must face her past in order to save the earth. EARTH AND FIRE - PART II
Someone wants an ancient meteorite buried beneath an island, which is the reason for the disruptions in the Earth's magnetic fields. The Avengers have a final showdown with the Zodiac Gang.