The BEST episodes of The Avengers: Earth's Mightiest Heroes season 1

Every episode of The Avengers: Earth's Mightiest Heroes season 1, ranked from best to worst by thousands of votes from fans of the show. The best episodes of The Avengers: Earth's Mightiest Heroes season 1!

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: 3/17/2024Network: Disney XDStatus: Ended
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The Kang Dynasty
star
7.76
749 votes

#1 - 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:AmazonApple TV
A Day Unlike Any Other
star
7.76
699 votes

#2 - 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.

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Everything is Wonderful
star
7.74
853 votes

#3 - 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.

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The Fall of Asgard
star
7.74
757 votes

#4 - The Fall of Asgard

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

The Avengers struggle to survive in the realms of Asgard.

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Widow's Sting
star
7.72
812 votes

#5 - 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:AmazonApple TV
Ultron-5
star
7.69
621 votes

#6 - 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.

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Hail, Hydra!
star
7.66
662 votes

#7 - 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:AmazonApple TV
Living Legend
star
7.64
891 votes

#8 - Living Legend

Season 1 - Episode 9 - Aired 11/3/2010

The Avengers rescue a frozen Captain America, who has been on ice since World War II.

Directors: Vinton Heuck
Watch Now:AmazonApple TV
459
star
7.62
812 votes

#9 - 459

Season 1 - Episode 15 - Aired 12/12/2010

Ant-Man and Wasp attempt to prevent an interstellar war between the Earth and two invading alien empires.

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The Ultron Imperative
star
7.59
638 votes

#10 - The Ultron Imperative

Season 1 - Episode 23 - Aired 6/5/2011

When the team is devastated after a loss, Iron Man and Ant-Man go destroying all remnants of Ultron. But they do not realize that Ultron has transcended his body, and has taken over the world's technology systems.

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Gamma World (1)
star
7.56
985 votes

#11 - Gamma World (1)

Season 1 - Episode 12 - Aired 11/26/2010

Leader has placed a dome around the Cube. It soon expands with anyone who is caught in it turned into a Gamma Monster. Meanwhile, Hawkeye catches up with Black Widow.

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Masters of Evil
star
7.54
844 votes

#12 - Masters of Evil

Season 1 - Episode 14 - Aired 12/5/2010

Supervillains invade Avengers Mansion and attempt to destroy the superheroes

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Breakout (2)
star
7.53
956 votes

#13 - Breakout (2)

Season 1 - Episode 2 - Aired 10/20/2010

A flashback to 10 years before reveals Graviton's origin. In the present, Iron Man is outnumbered by old enemies at the Vault. To escape and fight Graviton, Tony self-destructs the Vault, but his armor was damaged and he radios a replacement from his Chicago tower. Thor, Hank Pym, and Wasp try to fight Graviton. Later, they are joined by Hulk and Iron Man and with their combined power they defeat Graviton and form the Avengers in order to catch the 74 escaped supervillians that escaped the four prisons.

Watch Now:AmazonApple TV
This Hostage Earth
star
7.52
770 votes

#14 - This Hostage Earth

Season 1 - Episode 24 - Aired 6/12/2011

The Masters of Evil go all across the world preparing for an invasion that the Earth has never seen. Unless the Avengers can stop the invasion, the people of Asgard are coming to Earth.

Watch Now:Apple TV
The Man Who Stole Tomorrow
star
7.50
785 votes

#15 - The Man Who Stole Tomorrow

Season 1 - Episode 17 - Aired 1/9/2011

Kang arrives from the future, claiming he must kill Captain America and conquer the Earth in order to save it from destruction.

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Come the Conqueror
star
7.50
723 votes

#16 - Come the Conqueror

Season 1 - Episode 18 - Aired 1/16/2011

The Avengers fend off Kang's invasion of Earth.

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Some Assembly Required
star
7.46
984 votes

#17 - Some Assembly Required

Season 1 - Episode 8 - Aired 10/27/2010

The Avengers move into a mansion together, but Hulk threatens to kill everyone after he is magically manipulated by the Enchantress

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Panther's Quest
star
7.45
874 votes

#18 - Panther's Quest

Season 1 - Episode 11 - Aired 11/17/2010

T'Challa, the new Black Panther, meets the Avengers and tells them that his country has been overthrown by Man-Ape. As the Avengers arrive in Wakanda, not only do they have to help T'Challa reclaim his family's throne and country, but they also have to deal with Klaw and the Grim Reaper.

Directors: Vinton Heuck
Watch Now:AmazonApple TV
Gamma World (2)
star
7.43
579 votes

#19 - Gamma World (2)

Season 1 - Episode 13 - Aired 11/26/2010

With the Avengers turned into Gamma Monsters, Hawkeye must convince Hulk to help fight Leader.

Watch Now:AmazonApple TV
Iron Man is Born
star
7.42
909 votes

#20 - Iron Man is Born

Season 1 - Episode 3 - Aired 10/24/2010

A compilation of the micro-series episodes "Iron Man is Born!", "HYDRA Lives!", "Behold, the Mandroids!", and "Nick Fury, Agent of S.H.I.E.L.D

Directors: Vinton Heuck
Watch Now:AmazonApple TV
Thor the Mighty
star
7.32
883 votes

#21 - Thor the Mighty

Season 1 - Episode 4 - Aired 10/24/2010

A compilation of the micro-series episodes "Thor the Mighty", "The Siege of Asgard", "My Brother, My Enemy", and "The Isle of Silence".

Watch Now:AmazonApple TV
Breakout (1)
star
7.31
1213 votes

#22 - Breakout (1)

Season 1 - Episode 1 - Aired 10/20/2010

After Iron Man stops an A.I.M. arms trade, Hank Pym talks with Mad Thinker to see what he meant when he referred to the villains in the super prisons as soon being free. All four of the prisons then break down and each hero deals with this. Meanwhile, Leonard Samson is exposed to Gamma radiation when the Cube deactivates and is injured by Zzzax. Hulk escapes with Samson and heads to the nearest civilized area. Graviton escapes the Raft and seeks revenge on Nick Fury.

Watch Now:AmazonApple TV
The Casket of Ancient Winters
star
7.28
664 votes

#23 - The Casket of Ancient Winters

Season 1 - Episode 20 - Aired 5/15/2011

The Avengers must stop Malekith the Accursed after he unleashes an everlasting winter on Earth. Once Malekith is defeated Thor learns he has been barred from returning to Asgard.

Directors: Sebastian Montes
Watch Now:AmazonApple TV
Hulk vs. the World
star
7.27
809 votes

#24 - Hulk vs. the World

Season 1 - Episode 5 - Aired 10/24/2010

A compilation of the micro-series episodes "The Coming of the Hulk", "Hulk Versus the World", "This Monster, This Hero", and "Beware the Widow's Bite".

Directors: Sebastian Montes
Watch Now:AmazonApple TV
The Man in the Ant Hill
star
7.26
853 votes

#25 - The Man in the Ant Hill

Season 1 - Episode 7 - Aired 10/24/2010

A compilation of the micro-series episodes "The Man in the Ant Hill", "Enter the Whirlwind", "The Big House", and "Welcome to Wakanda".

Watch Now:AmazonApple TV