Team Tennyson visits the safe version of Adrenaland known as Adrenaland Jr.
At an exciting poetry slam, Charmcaster's reading of Kevin's poetry causes trouble.
Ben sees Vin Ethanol is impressed with Kevin's automotive know-how.
Team Tennyson's shopping spree is ruined by LaGrange's latest high-speed heist.
Team Tennyson stops in at a fringe family reunion.
The Forever Knight finally assembles his Round Table to conquer all of history.
Ben and Gwen can't wait for the Omni-Copter to make its arrival.
Team Tennyson are on the get up and go when they decide to travel together.
A music festival is threatened by the supersonic sound waves of Lord Decibel.
The Forever Knight forces Ben to become a gladiator in order to save his family.
When the entertainment at a gala turns out to be Zombozo in disguise, Ben must act.
An argument with Kevin over a Sumo Slammer collectable leads to a revelation.
Team Tennyson discovers that a small village's goats are being terrorised by a legend.
When a mysterious electrical storm downs the Omni-Copter at the Equator.
When attacked in the jungle, Team Tennyson is saved by a toddler who looks familiar.
While holidaying at the Chrysalen Institute, team Tennyson find the Bugg Brothers.
Ben must recruit the help of the Forgeti to take on Billy Bajillions.
Daredevils LaGrange and Vin Ethanol ruin team Tennyson's holiday.
While visiting Big Ben, Ben stumbles upon a plot to steal the famous bell.
Ben has to stop Steam Smythe from attacking a video game store.
Team Tennyson find themselves stuck in traffic after an overpass collapses.
Team Tennyson find themselves stuck in medieval times... or are they?
While still in Japan, Ben meets the hero-gone-wrong Tim Buktu.
The gang visit a samurai museum where Ben is excited.
Ben, Gwen and Grandpa Max visit a national park to see Stonehenge-like rock formation.
Evil scientists threaten to flip the Earth's magnetic poles.
A hypnotised Ben must hunt down Zombozo across Paris while acting like a mime.
Ben comes face-to-face with a ghost while visiting distant relatives.
A new cat-like alien called Rath gives Ben the wild side he needs to enter a competition.
The Omni-Copter goes for its maiden flight as the team head to the Scottish Highlands.
Ben runs into Kevin 11, who now has the ability to transform into aliens just like Ben.
Team Tennyson receive an unexpected flying gift from Grandpa Max's engineer friend.
Ben and Vilgax are fighting side-by-side to close the gateway inside the Omnitrix.
Ben's trouble sleeping is getting worse, and Gwen is worried.
Strange recurring nightmares are affecting Ben's sleep.
Ben manages to halt Billy Billions' attempts to carve his own face into Mount Rushmore.
When a forest fire erupts, Team Tennyson must hurry to save the bird population!
After his meeting with Vilgax, Ben continues to transform rapidly.
As the Omnitrix is still uncontrollable, Ben asks a friend of Max to repair it.
Ben and Gwen sign a contract with Billy Billions.
Sydney and Maurice end up duplicating Grandpa Max instead of Ben by accident.
Ben, Gwen and Max are forced to stay at a creepy hotel.
Steam Smythe hopes to take a secret weapon and rule the world.
While out golfing, Ben has to face a biker gang of mutated groundhogs.
Ben's favourite cartoon character, Xingo, comes out of TV into the real world.
No one believes Ben when he recognises the nefarious Frightwig in disguise.
Ben, Gwen and Max stop by the graveyard set of a movie, The Unalivers.
Ben is struggling to defeat the High Override in the Omnitrix!
Ben's Junkbot manages to shoot the Omnitrix, opening up a strange gateway.
Voices in Ben's head are worrying him, and a mysterious warbot is wreaking havoc.
Ben accidentally frees the evil King Koil from his underground prison.
Team Tennyson admires the efficiency of a modern train station when it is attacked!
Ben stumbles across a video online that shows how Cannonbolt disassembles a computer lab.
While Max and Gwen revel in the holiday spirit of Winter Wonderland, Ben is bored...
Vilgax and Zombozo team up to create a huge new monster that threatens the whole world...
While Gwen is listening to a lecture on the Transcontinental Railroad, Ben sneaks off!
The evil Charmcaster interrupts Ben and Gwen's visit to Fort Knox.
Can Ben stop the Bugg bros. supply of pancakes that powers them?
Team Tennyson is pulled into a wild Jack-a-Lope chase.
Ben and Gwen spend the day volunteering at Repto Ranch and come face to face with King Koi
As Team Tennyson leaves the Frozen Man Festival, Lord Decibel takes center stage.
When a disguised Zombozo hijacks the role of instructor, Ben goes alien.
The Tennyson team must shut down Steam Smythe's power generator.
Tim Buktu uses magic to take over Ben's mind!
Ben and Gwen fend off an alien drone attack on the Rust Bucket.
Ben and Gwen are left alone to fight a movie monster come to life.
Ben joins in a race to out-run a bullet train.
Ben is forced to team up with an old enemy to stop a new monster!
Ben finds out Zombozo is hypnotizing people to steal from them!
Ben has to go to the dentist, and his day gets worse from there!
Ben and Gwen discover a secret about the storefront mascots.