The Avengers: Earth's Mightiest Heroes

The BEST episodes of The Avengers: Earth's Mightiest Heroes

Every episode of The Avengers: Earth's Mightiest Heroes ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of The Avengers: Earth's Mightiest Heroes!

After 74 villains break out of prison, Marvel's most powerful superheroes team up to capture all of them, and also to defend the Earth from widespread threats.

Last Updated: 7/19/2022Network: Disney XD
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Winter Soldier
star
8.06
417 votes

#1 - Winter Soldier

Season 2 - Episode 21 - Aired 9/30/2012

Captain America ponders the mystery of the Winter Soldier and enlists Nick Fury's aid to find him when the Red Skull escapes from prison and massive robots - the Sleepers - arise as part of a contingency plan by the founder of HYDRA to destroy Washington, D.C.

Directors: Boyd Kirkland
Watch Now:AmazoniTunes
Avengers Assemble!
star
8.06
303 votes

#2 - Avengers Assemble!

Season 2 - Episode 26 - Aired 11/11/2012

From the very moment of their team's inception, the Avengers have fought against super-villains, time-travelling conquerors and even shape-shifting alien invaders. But now they must bring forth an army of nearly all their allies to face their greatest challenge yet - Galactus, the devourer of countless worlds and civilizations, and his quartet of heralds drawn from the very elements of nature.

Directors: Roy Burdine
Watch Now:AmazoniTunes
Secret Invasion
star
7.94
563 votes

#3 - Secret Invasion

Season 2 - Episode 12 - Aired 7/15/2012

The Skrulls have invaded the entire Earth, and Captain America, Iron Man, and Thor lead an attack on the aliens.

Directors: Boyd Kirkland
Watch Now:AmazoniTunes
Live Kree or Die
star
7.90
379 votes

#4 - Live Kree or Die

Season 2 - Episode 25 - Aired 11/4/2012

The Avengers arrive on the Kree homeworld of Hala, but find that they aren't exactly welcome there - even with Captain Marvel on their side.

Directors: Steve Gordon
Watch Now:AmazoniTunes
Code Red
star
7.89
414 votes

#5 - Code Red

Season 2 - Episode 20 - Aired 9/23/2012

Strange fumes sicken all of the Avengers - save for Iron Man, whose suit of armor provides him with protection. Now the armored Avenger must race against time to synthesize a cure for the infected - while the team face the prospect of being quarantined by U.S. Defense Secretary Dell Rusk, who has sent Doc Samson, Falcon, the Red Hulk and the Winter Soldier to arrest them. When Captain America is captured by the Winter Soldier and brought before Dell Rusk, he learns that the enigmatic Secretary harbors a diabolical secret from the supersoldier's past. Based on Avengers: Red Zone.

Directors: Roy Burdine
Watch Now:AmazoniTunes
New Avengers
star
7.88
421 votes

#6 - New Avengers

Season 2 - Episode 23 - Aired 10/14/2012

Kang the Conqueror is freed from prison by his alternate timeline look-alikes and attempts to conquer the world once again, this time trapping the Avengers in a temporal void to keep them from getting in the way of his plans. Now a new team of heroes (Spider-Man, War Machine, Wolverine, Iron Fist, Luke Cage and the Thing) must band together to stop the cross-temporal onslaught.

Directors: Steve Gordon
Watch Now:AmazoniTunes
Infiltration
star
7.87
639 votes

#7 - Infiltration

Season 2 - Episode 11 - Aired 7/8/2012

The Skrull invasion has begun, and Wakanda is the first target. Ms. Marvel is the only one there to fight off these aliens, whose shape-shifting abilities make matters much worse for her.

Directors: Roy Burdine
Watch Now:AmazoniTunes
Nightmare in Red
star
7.86
643 votes

#8 - Nightmare in Red

Season 2 - Episode 9 - Aired 6/24/2012

When S.H.I.E.L.D. is attacked by the Hulk, the Avengers rush to the scene. When they arrive, the rampaging Hulk is RED! The hunt is on for Bruce Banner as the Avengers try and unravel the mystery of 'Who is the Red Hulk?'

Directors: Boyd Kirkland
Watch Now:AmazoniTunes
Behold...The Vision!
star
7.85
616 votes

#9 - Behold...The Vision!

Season 2 - Episode 14 - Aired 7/29/2012

Still trying to restore hope and order to the world after the Skrull invasion, Captain America travels to Wakanda with the Avengers to repair his shield, but a new foe has come to take his shield. The Avengers must now find out where he came from and who sent him before he prevails.

Directors: Roy Burdine
Watch Now:iTunes
Operation Galactic Storm
star
7.81
406 votes

#10 - Operation Galactic Storm

Season 2 - Episode 24 - Aired 10/21/2012

The Kree attempt to create a wormhole connecting our solar system with their galaxy, which will consequently destroy the Sun and all life on Earth - just as Kang the Conqueror predicted. The Avengers and Captain Marvel head into space to stop it, but will they be in time?

Directors: Boyd Kirkland
Watch Now:AmazoniTunes
Along Came a Spider...
star
7.79
570 votes

#11 - Along Came a Spider...

Season 2 - Episode 13 - Aired 7/22/2012

Captain America is still trying to earn back the trust of the public, he teams up with the equally-mistrusted Spider-Man to fight the Serpent Society, whose members are trying to rescue Viper.

Directors: Roy Burdine
Watch Now:AmazoniTunes
The Kang Dynasty
star
7.78
750 votes

#12 - The Kang Dynasty

Season 1 - Episode 19 - Aired 1/23/2011

The Avengers attack Kang's ship with the help of the last of the Ultrons. They defeat Kang, who tells them the worst is yet to come.

Watch Now:AmazoniTunes
The Private War of Doctor Doom
star
7.78
799 votes

#13 - The Private War of Doctor Doom

Season 2 - Episode 1 - Aired 4/1/2012

The Avengers team up with the Fantastic Four to battle Doctor Doom's armies.

Directors: Gary Hartle
Watch Now:AmazoniTunes
Prisoner of War
star
7.77
643 votes

#14 - Prisoner of War

Season 2 - Episode 10 - Aired 7/1/2012

After being held prisoner for months, Captain America is ready to break out. If he is to succeed he must team up with his enemies. Cap won't let anything stop him, but he didn't count on facing the Super Skrull!

Directors: Steve Gordon
Watch Now:AmazoniTunes
A Day Unlike Any Other
star
7.77
703 votes

#15 - A Day Unlike Any Other

Season 1 - Episode 26 - Aired 6/26/2011

The Avengers go against Loki, although they are nothing to Loki's power.

Watch Now:AmazoniTunes
Everything is Wonderful
star
7.76
855 votes

#16 - Everything is Wonderful

Season 1 - Episode 10 - Aired 11/10/2010

Simon Williams becomes a deadly being of ionic energy after being enraged by Tony destroying his company. Meanwhile, Wasp and Thor chase a group of AIM agents to find their secret hideout and run into another villain, MODOK.

Watch Now:AmazoniTunes
The Fall of Asgard
star
7.76
757 votes

#17 - The Fall of Asgard

Season 1 - Episode 25 - Aired 6/19/2011

The Avengers struggle to survive in the realms of Asgard.

Watch Now:AmazoniTunes
Ultron Unlimited
star
7.76
525 votes

#18 - Ultron Unlimited

Season 2 - Episode 17 - Aired 8/19/2012

The Avengers are ambushed and captured, one by one, by Ultron's team of synthezoid Avengers as part of the wayward android's plan to rid the world of "flawed" humans, perfect himself, and construct a mate.

Directors: Roy Burdine
Watch Now:AmazoniTunes
Assault on 42
star
7.75
532 votes

#19 - Assault on 42

Season 2 - Episode 16 - Aired 8/12/2012

Stranded in the Negative Zone, the Avengers must join forces with their enemies - including former members of the Masters of Evil - to fight off an army of strange insectoid creatures that are laying siege to 42.

Directors: Steve Gordon
Watch Now:AmazoniTunes
Widow's Sting
star
7.73
811 votes

#20 - Widow's Sting

Season 1 - Episode 16 - Aired 12/19/2010

Hawkeye infiltrates Hydra Island to battle the Black Widow

Directors: Vinton Heuck
Watch Now:AmazoniTunes
Welcome to the Kree Empire
star
7.72
687 votes

#21 - Welcome to the Kree Empire

Season 2 - Episode 4 - Aired 4/22/2012

An alien warrior race known as the Kree visits Earth to make a final decision regarding whether to add Earth to the ever-expanding Kree empire or obliterate it.

Directors: Boyd Kirkland
Watch Now:AmazoniTunes
Yellowjacket
star
7.70
522 votes

#22 - Yellowjacket

Season 2 - Episode 18 - Aired 9/9/2012

A mysterious explosion seemingly kills Hank in his college laboratory, but as the Avengers and their friends mourn the loss of their fallen comrade-in-arms, a fearless new vigilante - endowed with the same powers and technology as Ant-Man/Giant-Man and Wasp and calling himself "Yellowjacket" - begins taking out the members of the Serpent Society.

Directors: Boyd Kirkland
Watch Now:AmazoniTunes
The Deadliest Man Alive
star
7.69
466 votes

#23 - The Deadliest Man Alive

Season 2 - Episode 22 - Aired 10/7/2012

When the Hulk's name is cleared of the crimes committed by the Red Hulk, the Avengers find that the deception put forth by Captain America's Skrull doppelganger has made the green-skinned juggernaut even more of a loose cannon than before. Meanwhile, the enigmatic Red Hulk returns with a scheme to usurp the Hulk's place among the Avengers.

Directors: Steve Gordon
Watch Now:AmazoniTunes
Ultron-5
star
7.69
620 votes

#24 - Ultron-5

Season 1 - Episode 22 - Aired 5/29/2011

Ant-Man gets tired of unending violence and he wants to find a better way to bring peace to world. After all, this is why he created the robot army, Ultron. But something goes terribly wrong.

Watch Now:AmazoniTunes
Hail, Hydra!
star
7.69
662 votes

#25 - Hail, Hydra!

Season 1 - Episode 21 - Aired 5/22/2011

The Black Widow requests the Avengers' help in retrieving the Cosmic Cube before AIM and HYDRA tear the world apart fighting over it.

Directors: Vinton Heuck
Watch Now:AmazoniTunes

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