The BEST Episodes of The Avengers: Earth's Mightiest Heroes
Every episode ever - ranked by fan votes!
Last Updated: Aug 5, 2019
This animated series follows the adventures of the superhero team The Avengers - primarily consisting of Iron Man, Thor, Captain America, the Hulk, Ant-Man (a.k.a. Giant-Man), Wasp, Hawkeye, and the Black Panther - as they team up to save the world from dangers far too great for one superhero to handle alone. The Avengers frequently work with S.H.I.E.L.D., a peacekeeping agency run by Nick Fury (while the two aren't competing to save the world by their own means, which are often quite different).
#1 - The Kang Dynasty
Season 1 - Episode 19
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.
#2 - Avengers Assemble!
Season 2 - Episode 25
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.
#3 - Live Kree or Die
Season 2 - Episode 24
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.
#4 - Hail, Hydra!
Season 1 - Episode 21
The Black Widow requests the Avengers' help in retrieving the Cosmic Cube before AIM and HYDRA tear the world apart fighting over it.
#5 - Nightmare in Red
Season 2 - Episode 9
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?'
#6 - Behold…The Vision
Season 2 - Episode 14
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.
#7 - Prisoner of War
Season 2 - Episode 10
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!
#8 - Come the Conqueror
Season 1 - Episode 18
The Avengers fend off Kang's invasion of Earth.
#9 - Powerless
Season 2 - Episode 26
The Enchantress, as part of her master Surtur's plan, offers Loki a chance to exact his revenge on Thor and the Avengers for thwarting his conquest of the Nine Realms, and uses a spell to strip Thor, Captain America, and Iron Man of their powers. Now, the helpless heroes must defeat Loki - his soul now in command of a powerful Asgardian weapon known as the Destroyer - without their abilities. NOTE: This episode was skipped in US airings, but included on the Avengers: Earth's Mightiest Heroes boxed volume Secret Invasion as a bonus episode. Marvel released a clip of the episode, adding that it is "an un-aired episode available exclusively" on the DVD. This episode is part of the regular airing schedule on ABC Australia, and eventually broadcast on Disney XD in the US on May 5, 2013.
#10 - Infiltration
Season 2 - Episode 11
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.
#11 - Everything Is Wonderful
Season 1 - Episode 10
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.
#12 - The Ultron Imperative
Season 1 - Episode 23
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.
#13 - Winter Soldier
Season 2 - Episode 20
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.
#14 - The Private War of Dr. Doom
Season 2 - Episode 1
The Avengers team up with the Fantastic Four to battle Dr.Doom's armies.
#15 - The Fall of Asgard
Season 1 - Episode 25
The Avengers struggle to survive in the realms of Asgard.
#16 - Gamma World (Part 2)
Season 1 - Episode 13
With the Avengers turned into Gamma Monsters, Hawkeye must convince Hulk to help fight Leader.
#17 - Ultron-5
Season 1 - Episode 22
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.
#18 - The Man Who Stole Tomorrow
Season 1 - Episode 17
Kang arrives from the future, claiming he must kill Captain America and conquer the Earth in order to save it from destruction.
#19 - Who Do You Trust?
Season 2 - Episode 7
The Avengers are torn apart when Nick Fury returns and reveals that the shapeshifting aliens Skrulls have begun infiltrating Earth. The situation becomes worse when they learn a Skrull lurks within the Avengers.
#20 - New Avengers
Season 2 - Episode 22
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.
#21 - Along Came a Spider…
Season 2 - Episode 13
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.
#22 - Secret Invasion
Season 2 - Episode 12
The Skrulls have invaded the entire Earth, and Captain America, Iron Man, and Thor lead an attack on the aliens.
#23 - Gamma World (Part 1)
Season 1 - Episode 12
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.
#24 - A Day Unlike Any Other
Season 1 - Episode 26
The Avengers go against Loki, although they are nothing to Loki's power.
#25 - Living Legend
Season 1 - Episode 9
The Avengers rescue a frozen Captain America, who has been on ice since World War II.