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.