The Best Episodes of Ben 10

The story of Ben, a typical kid who becomes very atypical after he discovers the Omnitrix, a mysterious alien weapon with the power to transform the wearer into ten different alien species.

The Krakken

#1 - The Krakken

Season 1 - Episode 3

While camping and swimming at a lakeside campsite, Ben encounters a sea-monster in the lake right after his joke on Gwen. Ben manages to escape, but Grandpa Max and Gwen don't believe Ben about his sighting. The next day, they go fishing and meet their fishing captain, Captain Shaw, who identifies the sea-monster as the Krakken. Throughout this adventure, Ben will meet untrustworthy people, hulking monsters, and he will also encounter his new found form: Ripjaws.

star 8.15
108 votes
Watch on Amazon
Secrets

#2 - Secrets

Season 1 - Episode 13

With Vilgax's injuries fully-healed, he decides to retrieve the Omnitrix personally. Ben gets a message from Vilgax in a dream about his imminent arrival. This worries Grandpa Max greatly, and he insists that they get to Mount Rushmore as quickly as possible. Unable to pinpoint the exact location of the Omnitrix, Vilgax begins to lay waste to nearby Rapid City in order to flush its holder out. He succeeds, despite Grandpa Max's protests, and manages to capture Ben. Meanwhile, Grandpa Max makes it to Mount Rushmore with Gwen and shows her a huge facility beneath the mountain. There, he's stored a weapon that can defeat Vilgax. Unfortunately, the weapon fails, leading to a showdown between Vilgax and the combined Tennyson family.

star 7.94
63 votes
Watch on Amazon
The Return (1)

#3 - The Return (1)

Season 3 - Episode 11

While driving on a Florida highway, a bus of escaped felons rams into the RV. Ben transforms into Stinkfly (though not intentionally) and tries to stop them. With a little help from Grandpa's handy driving, and a magic spell from Gwen, the felons are put back in jail. On the news, the Tennyson's hear about purple lightning delaying a space shuttle launch. Remembering the lightning from the encounter with the werewolf and mummy aliens, they head to Cape Canaveral. At the Space Center, Ben comes under attack by the werewolf and mummy aliens, and new Frankenstein alien. However, why is the purple lightning occurring, and what ties does it have to an old "friend"?

star 7.92
39 votes
Watch on Amazon
And Then There Were 10

#4 - And Then There Were 10

Season 1 - Episode 1

After the final school bell rings, Benjamin "Ben" Tennyson is ready to head out for a camping adventure with his Grandpa, Max Tennyson, and unfortunately, his rival cousin, Gwendolyn "Gwen" Tennyson. After the trip to the campsite and the unruly aspects of dinner, Ben wanders out into the forest and meets up with a meteor bearing an alien device: the Omnitrix. The Omnitrix jumps onto Ben's wrist, and he now becomes the wielder of ten different alien superheroes. After experimentation and trouble with robot droids and bounty hunters sent by the evil Vilgax, Ben, Gwen, and Grandpa Max begin their odd summer camping trip.

star 7.88
192 votes
Watch on Amazon
The Visitor

#5 - The Visitor

Season 3 - Episode 13

While snowmobiling, two guys accidentally release an alien named Xylene from a strange container. At a park, Ben (as Wildmutt) steals Gwen's kite, so she casts a spell to make dogs attracted to him. Grandpa Max seems sad to be in St. Louis since it is where he met his wife. Xylene attacks, and Grandpa Max comes to defend, only to recognize her. Xylene reveals that she came to find the Omnitrix since she lost it when Vilgax attacked her ship. While Grandpa Max and Xylene talk about the past, a robot emerges from the area where Xylene was and attacks Ben and Gwen. The mechadroid attacks twice, taking Grandpa Max with him. Now Ben must work with Xylene (to his dismay) to save Grandpa Max.

star 7.88
40 votes
Directors: Alex Soto
Watch on Amazon
Washington B.C.

#6 - Washington B.C.

Season 1 - Episode 2

After Ben saves a child and parent in a burning building, Gwen and Grandpa Max come along with more bad news. In addition, there is a mad scientist roaming around Washington D.C. with a device that can change normal animals to mutant giants and also reanimate fossils of dinosaurs. The mad scientist, Dr. Animo, first encounters Ben, Gwen, and Grandpa Max at the M-Mart. After a grueling battle without the help of a hero, they chase down Animo to the Museum of Natural History. Gwen is then taken by a mutant bird, and Ben and Grandpa Max save her. Dr. Animo is then caught and restrained from receiving "the award he deserves," the Verities Award for science. Ben learns though an important lesson here: you don't always get what you might deserve.

star 7.86
143 votes
Directors: Alex Soto
Be Afraid of the Dark (2)

#7 - Be Afraid of the Dark (2)

Season 3 - Episode 12

Ghostfreak's return spells disaster for our heroes. Grandpa Max and Gwen must deal with the mummy alien in space while Ben deals with Ghostfreak and Dr. Vicktor on Earth. Ghostfreak then reveals his master plan: he plans to blanket the Earth with Coronium so that sunlight will not reach the planet so that he may rule. With the power of a new alien in the watch, can Ben stop Ghostfreak, and save Grandpa and Gwen?

star 7.85
41 votes
Watch on Amazon
Tough Luck

#8 - Tough Luck

Season 2 - Episode 9

Hex's niece, Charmcaster, enters the underground prison he's held at to release him out of his cell. With her help, Hex was able to regain most of his powers after being given his magical staff. Meanwhile, Ben, Gwen, and Grandpa Max head to a magic convention held in Las Vegas, and in there, Gwen finds the legendary Keystone of Bazell. With it, she gains the powers of Lucky Girl once again, but will it last after finding out that Hex and his niece are after it?

star 7.82
53 votes
Watch on Amazon
Truth

#9 - Truth

Season 2 - Episode 1

After the battle with Vilgax, Grandpa Max retells his story to Ben about his past. He was with an organization that was not known to exist, referred to as "The Plumbers," a group of people who track down extraterrestrial life. Meanwhile, they meet Phil, an old partner of Grandpa Max. But they soon find out that he steals a device, called the Null Void Projector, to selfishly use it to make money by appearing to capture aliens that he alone released himself.

star 7.81
81 votes
Watch on Amazon
Ben 4 Good Buddy

#10 - Ben 4 Good Buddy

Season 4 - Episode 5

While on a desert highway, the RV gets stolen by a group of modern-day pirates, who use it to go on a robbery.

star 7.80
45 votes
Watch on Amazon
Lucky Girl

#11 - Lucky Girl

Season 1 - Episode 10

A magician named Hex, whose powers come from mystical charms, is defeated by Ben using XLR8 and a little help from Gwen and Grandpa Max. Afterwards, XLR8 takes all the credit for the victory and even gets one of Hex's charms as a souvenir. When Gwen complains that Ben is getting all the glory and recognition, as well as all the cool stuff, he gives her the charm he got from Hex. The charm gives Gwen perfect luck in everything she does, and she becomes her very own superhero, Lucky Girl. Unfortunately, her luck has a price, and Ben is the one who ends up paying for it.

star 7.77
71 votes
Watch on Amazon
Tourist Trap

#12 - Tourist Trap

Season 1 - Episode 6

After having a gross-out contest with the kid in the car next to him, Ben finds a propane truck tipped over, about to catch fire and cause a huge blast. With that taken care of, Ben and the gang are off to Sparksville, a town which brings new meaning to the words "tourist trap." After exploring all of Sparksville's many attractions, Ben and Gwen head over to see "it," Sparksville's main attraction. When they finally see "it," they are thoroughly disappointed and decide to pull a little prank. After Ben turns into Four Arms, he looses control and sends "it" flying and destroying the town. Ben says he will move it back, but the Omnitrix powers down and Ben accidentally unleashes Megawhatt, a small little alien with a big sense of humor. Now, Ben must stop this creature from destroying Sparksville.

star 7.75
90 votes
Watch on Amazon
Ken 10

#13 - Ken 10

Season 4 - Episode 7

In the future, Ben gives his son, Ken, an Omnitrix for his 10th birthday. However, Ben will have to learn to trust him with that power.

star 7.73
49 votes
Goodbye and Good Riddance

#14 - Goodbye and Good Riddance

Season 4 - Episode 10

With summer over, Ben goes back to school. Unable to tell anyone about the Omnitrix, Ben finds that regular life is much more boring than he imagined. However, the arrival of Vilgax promises to rectify that situation.

star 7.72
47 votes
Watch on Amazon
Last Laugh

#15 - Last Laugh

Season 1 - Episode 9

After dealing with some criminals at a dock, the trio finds their way to a circus run by a clown named Zombozo, much to Ben's chagrin. There, Ben's fear of clowns comes out as they explore. They find a freak show along the way, featuring a trio of mutants with incredible abilities. During Zombozo's show, Ben is too afraid to laugh and ends up leaving. His departure turns out to be for the best, since Zombozo drains the happiness of others to sustain and empower himself. Meanwhile, Ben finds the freaks robbing the town. Ben is able to beat them, but can't bring himself to fight Zombozo. He has to find a way, though, since Zombozo kidnaps Gwen and leaves the entire town in a chuckling daze.

star 7.72
67 votes
Watch on Amazon
Ben 10 Vs. Negative 10 (1)

#16 - Ben 10 Vs. Negative 10 (1)

Season 4 - Episode 8

The Forever King sets his plan in motion and recruits the most powerful enemies Ben has ever faced in order to steal the world's most powerful energy source.

star 7.65
43 votes
Watch on Amazon
Under Wraps

#17 - Under Wraps

Season 3 - Episode 8

In order for Ben and Gwen to learn the value of hard work, Grandpa Max takes them to a farm. Meanwhile, an alien mummy arrives to uncover a rare and dangerous element.

star 7.65
46 votes
Grudge Match

#18 - Grudge Match

Season 2 - Episode 5

In the middle of nowhere, Ben, as Diamond Head, fights Kevin 11, who is still in his mutated form. As they fight, they are taken to a ship, where a battle between different aliens are held. But when a mechanical droid named Slix decides to create a bond with Ben and Kevin as a team, they immediately turn his idea down. But with no choice, they must find a way out. Will Ben and Kevin learn the importance of teamwork?

star 7.64
55 votes
Watch on Amazon
Perfect Day

#19 - Perfect Day

Season 4 - Episode 1

Enoch and the Forever Knights return, putting Ben in a dream world where he's tricked into having the perfect day. However, his dream quickly turns into a nightmare.

star 7.64
61 votes
Watch on Amazon
A Small Problem

#20 - A Small Problem

Season 1 - Episode 11

When Ben isn't tall enough for a ride at a water park, he decides to change into one of his alien forms to get even with the ride attendant. Unfortunately for him, the Omnitrix malfunctions and he ends up as Grey Matter. To make the situation worse, he is captured by an alien fanatic name, who decides to trade him in for fame and glory. Now Ben, as Grey Matter, must find a way out of this predicament, after being given to a secret organization for testing.

star 7.58
66 votes
Watch on Amazon
Midnight Madness

#21 - Midnight Madness

Season 3 - Episode 2

When Ben is hypnotized, he begins breaking the law while sleepwalking. Once the evil hypnotist called Sublimino discovers the aliens at his disposal, he plots to put hundreds of people under his control forever.

star 7.53
54 votes
Watch on Amazon
Game Over

#22 - Game Over

Season 3 - Episode 6

The Tennysons stay in as it rains outside, and Ben plays a video game to pass the time by. When Gwen decides to join in, Ben is jealous of how she's a far superior player. Instead, Ben decides to transform to Upgrade, and merges with the game console. Gwen makes an attempt at shaking him off, but suddenly, a lightning strike causes them to transfer into the video game itself. The only way Ben can use the Omnitrix is to find coins with the different aliens on it. To get out, they must find the Upgrade coin before an evil being uses it to escape into the real world.

star 7.53
47 votes
Watch on Amazon
Back With a Vengeance

#23 - Back With a Vengeance

Season 2 - Episode 13

The Megacruiser flies solo in space, and inside Kevin examines the giant ice block found in space. Inside the mass, held Vilgax, and Kevin underestimated his current situation. He was very much alive and well, and they soon create a partnership after learning that they were both after the same person. On Earth, Ben plays around with the Omnitrix, hoping to find a better way of controlling it. Eventually, he finds the master control of the Omnitrix, giving him the ability to alternate between aliens, as well as prolong his duration with a form. Although his discovery has given him a stronger advantage, will it be enough to stop the danger that lies ahead?

star 7.53
44 votes
Watch on Amazon
Ben 10 Vs. Negative 10 (2)

#24 - Ben 10 Vs. Negative 10 (2)

Season 4 - Episode 9

Ben, Gwen, Cooper and Grandpa Max face their last battle ever against the villains they have encountered and they will battle to get the world's most powerful energy source.

star 7.53
44 votes
Watch on Amazon
Ultimate Weapon

#25 - Ultimate Weapon

Season 2 - Episode 8

In Texas, a group of men discover a mysterious mask belonging to Ah Puch, the Mayan god of death and destruction. The mask is the key to the ultimate weapon in the world, known as the Sword of Ekchuah. However, when Grandpa Max and his grandkids learn that the mask is discovered, he impatiently sets out to obtain the mask, so that it does not fall in the wrong hands. Unfortunately, they find out that Enoch of The Organization is after it as well. The kids worry of how Grandpa Max has become, but with Enoch in the way, will Grandpa Max find the sword before him?

star 7.52
54 votes
Watch on Amazon