Magister Patelliday is kidnapped by pirates who rob ships and put them in giant glass bottles to sell them. They intend to devour Patelliday. Any attempts at rescue are hard, since they have a Krakken and a robot army.

Ben and Rook must stop Trumbipulor from gaining absolute power while Blukic and Driba set out to find Mr. Smoothy's.

Ben and Rook are attacked by Khyber at a festival.

Ben and Rook visit Rook's family while Revohnnah is attacked by an old foe.

When Eon forces young Ben and teenage Ben to switch minds, only the time-traveling Professor Paradox can sort things out and help Ben stop Eon from taking over the timelines.

When the Incursean armada kidnaps the Gourmand Queen, Ben and Rook must get the warring Gormand factions to work together to save her and stop the Incursean invasion.

Dr. Psychobos and Princess Attea have invaded Rook's home planet Revonnah with an army of Incurseans!

The Incurseans take control of Earth, so Rook and the Plumbers must mount a resistance while Ben is missing.

Princess Looma returns to claim Ben as her husband, and she's not going to let anyone stand in her way!

With Plumber agents trapped in Incursean territory, Ben and Rook must employ the services of Rad Dudesman, the roughest, toughest smuggler in the galaxy.

Dr. Animo reminisces about when he once took control of the Plumber's HQ in Mount Rushmore.

The Secret Saturdays come to Bellwood to help Ben and Rook investigate a rash of chupacabra attacks where they've been draining alien lifeforce.

Ben as Gravattack attempts to moderate a fragile peace treaty, but must endure the attacks of tiny alien fleas, which have inhabited his body. Rook shrinks down in attempt to get the fleas off him before the peace treaty is ruined. But it turns out that the Lewodon named Poltroon, sent the fleas onto Gravattack to destroy his core, causing a meltdown in attempt to destroy both the Lewodons and the Appoplexians, therefore causing a war between the 2 species and taking power to destroy his enemies. Now Rook must find a way to change Ben back before they are destroyed and to stop Poltroon.

Dr. Joseph Chadwick is back as a Forever King. He is now leading the remnants of the Forever Knights who threaten to erase all alien DNA on Earth as Ben and Rook work to stop the Forever Knights. Jimmy discovers that Will Harangue is somehow involved in Joseph's plot.

Ben, Gwen and Cousin Lucy try to find out how Psyphon's thugs are getting Plumber technology. Gwen suspects that Lucy is the mole because of all her shape-shifting abilities, and her love of tricks when she was younger.

Kevin, Rook and Argit run into OTTO, an old enemy who tricked Kevin and Argit by stranding them alone in the Null Void. While attending an intergalactic auto show on Khoros, OTTO and Violent Offenders end up stealing some of the most expensive cars, and its up to the gang to stop them with some help from Ben.

Albedo, disguised as Ben, seeks a device that will finally change him back into his Galvan form. Meanwhile, the real Ben is locked in Albedo's prison cell at Plumber HQ.

Ben, Rook, and Grandpa Max have their hands full when Phil returns as a half-human, half-Terroranchula creature and starts absorbing all of the electricity and lightning in Bellwood. Phil seeks Max's help to tame the monster within.

Ben and Rook enlist the help of intergalactic smuggler Rad Dudesman to fly them through the Anur System-the home of the monstrous aliens.

Ben, Rook, Hobble and Rad Dudesman come face to face with the evil Lord Transyl, a vampire-like alien who can make anyone his loyal slave.

The princess Looma and Attea are at odds over who gets to marry Ben.

Ben finally meets the ones responsible for his intergalactic TV show, and the actor who makes Ben 10 more famous than Ben himself.

Ben's country cousin Clyde Fife wants to become a hero like Ben.

Master Kundo, Rook's former teacher is willing to save Revonnahgander traditions at any cost by preventing Rook's sister, Rook Sharr from going to the Plumber Academy so she wouldn't be able to become a Plumber.

Charmcaster attacks Gwen at Freakin' University, wanting to obtain Hex's mystical Staff of Ages through any means necessary, while Kevin and Rook try to make Kevin's car completely indestructible so that nothing can destroy it.