Here’s a compiled episode list, organized by seasons and story arcs. This follows the original 2012–2014 broadcast order (80 episodes, 8 seasons). Season 1 – The New Beginning (2012) | Ep # | Title | Summary | |------|-------|---------| | 1 | The More Things Change: Part 1 | Ben, now 16, teams up with new partner Rook Blonko. Khyber the Hunter unleashes the DNA-modified “Predators.” | | 2 | The More Things Change: Part 2 | Ben and Rook chase Khyber through Undertown. Introduction of the Nemetrix. | | 3 | A Jolt from the Past | Ben fights a bio-mechanical bug; learns of Malware – a mutant Galvanic Mechomorph. | | 4 | Trouble Helix | Malware tries to absorb the power of a Prypiatosian-A; Ben uses Feedback for the first time in flashbacks. | | 5 | Hot Stretch | Ben and Rook pursue a Pyronavian thief; reveals more of Ben’s past with Malware. | | 6 | Of Predators and Prey: Part 1 | Khyber captures Ben for a hunt on his private preserve. | | 7 | Of Predators and Prey: Part 2 | Ben escapes using new aliens like Gravattack. First appearance of Khyber’s shape-shifting dog, Zed. | | 8 | Outbreak | Nemetrix creatures escape and mutate; Ben must revert them without killing. | | 9 | Many Happy Returns | Princess Looma of the Tetramands arrives to marry Ben (per old custom). | | 10 | Gone Fishin’ | Ben and Rook go undercover as fishermen to stop alien smugglers. | Season 2 – Malware Rising (2012–2013) | Ep # | Title | Summary | |------|-------|---------| | 11 | Blukic and Driba Go to Mr. Smoothy’s | Comic relief episode – two Galvan mechanics lose a critical part in Undertown. | | 12 | Malefactor | Flashback-heavy: Young Ben first meets Malware, loses Feedback, and the Omnitrix self-destructs. | | 13 | Scared Silly | Ben and Rook investigate a “ghost” on a spaceship – actually a terrified Ectonurite child. | | 14 | Arrested Development | Young Vilgaxia prince tries to prove himself by hunting Ben. | | 15 | Brotherhood of the Square | The Vreedle Brothers return with a new, dangerous weapon. | | 16 | Bengeance is Mine | Argit betrays Ben to collect a bounty. | | 17 | The Vengers | Three alien vigilantes try to “replace” Ben with more violent methods. | | 18 | Cough It Up | A plague in Undertown turns aliens into living crystals. | | 19 | The Rooters of All Evil | Servantis (leader of the Rooters) reveals he altered Kevin’s memories – Kevin was never an Osmosian. | | 20 | Blukic and Driba Go to Area 51 | The Galvan duo accidentally teleport a Plumber base to Earth’s Area 51. | Season 3 – Incursean War (2013) | Ep # | Title | Summary | |------|-------|---------| | 21 | The Frogs of War: Part 1 | Incurseans invade Earth. Ben’s identity is revealed to the world. | | 22 | The Frogs of War: Part 2 | Ben rallies alien species to fight back; Emperor Milleous is overthrown. | | 23 | Rules of Engagement | Ben must survive a date with Princess Looma while fighting a dragon. | | 24 | Showdown: Part 1 | Malware absorbs the power of Galvan Prime’s core. | | 25 | Showdown: Part 2 | Ben unlocks new alien Atomix to defeat Malware; Feedback returns. | | 26 | Tummy Trouble | A tiny alien parasite causes Ben to eat uncontrollably. | | 27 | Store 23 | Ben swaps places with his goody-two-shoes alternate self from Dimension 23. | | 28 | Mud is Thicker than Water | Rook’s rebellious sister joins a space pirate crew. | | 29 | OTTO Motives | A mad robot duplicates Ben’s aliens. | | 30 | The Ballad of Mr. Baumann | Ben accidentally destroys Mr. Baumann’s car – again. | Season 4 – Time War (2013) | Ep # | Title | Summary | |------|-------|---------| | 31 | It Was Them | Ben and Rook investigate a crash that erases people’s memories. | | 32 | Max’s Monster | Max Tennyson is transformed into a mutant by the Rooters. | | 33 | The Rooters | Servantis brainwashes Kevin, Alan, and Helen into attacking Ben. | | 34 | Return to Forever | Vilgax returns with a time bomb to erase Ben from history. | | 35 | While You Were Away | Flashback: What Gwen and Kevin did during Omniverse. | | 36 | The Color of Monkey | A Simian alien tricks Ben into trading bodies. | | 37 | Weapon XI: Part 1 | Khyber unleashes the ultimate predator: the Vladats. | | 38 | Weapon XI: Part 2 | Ben turns into Whampire for the first time. | | 39 | Rad | Rook’s younger brother tries to become a street racer. | | 40 | Ben Again | Young Ben (11) swaps minds with present Ben – chaos with Paradox. | Season 5 – Alien Origin (2014) | Ep # | Title | Summary | |------|-------|---------| | 41 | The Vampire Strikes Back | Lord Transyl (Vladat king) escapes and tries to conquer Earth. | | 42 | Catfight | Two Atrocian princesses fight over Ben as a political trophy. | | 43 | Collect This | The Collector (Chronian) traps Ben’s aliens in cards. | | 44 | From Hedorium to Eternity | Ben fights a ghost that ages anyone it touches. | | 45 | Mystery, Incorporeal | An Ectonurite murders Plumbers by possessing them. | | 46 | Bros in Space | Ben and Rook go undercover as high school students on an alien planet. | | 47 | The Secret of Dos Santos | Ben in a Western-style town fights a cursed sword. | | 48 | Third Time’s the Charm | Charmcaster tries to resurrect her father using a spell that requires three Ben sacrifices. | | 49 | The Final Countdown | Paradox shows Ben a future where he becomes evil. | | 50 | Malgax Attacks | Vilgax and Malware fuse into a giant hybrid monster. | Season 6 – Universe Reboot (2014) | Ep # | Title | Summary | |------|-------|---------| | 51 | The Most Dangerous Game Show | Ben is forced to compete in a lethal galactic game show. | | 52 | The Night of the Living Nightmare | Ben is trapped in a dream where everyone he loves hates him. | | 53 | No Honor Among Bros | The Vreedle Brothers betray each other over a treasure map. | | 54 | Universe vs. Tennyson | Ben is put on trial for “reckless heroism” by the Celestialsapiens. | | 55 | An American Benwolf in London | Ben chases a werewolf alien to Victorian London. | | 56 | The Eye of the Beholder | A one-eyed alien oracle predicts Ben will die in 24 hours. | | 57 | The Chupacabra Brava | A Chupacabra is eating Plumber tech in the desert. | | 58 | The Gaxlax Factor | A conspiracy nut proves right about an alien invasion. | | 59 | Ben Again and Again | Ben repeats the same day 100 times. | | 60 | The End of an Era | The Plumbers’ base is destroyed; Ben considers quitting. | Season 7 – The Time War (2014–2015) | Ep # | Title | Summary | |------|-------|---------| | 61 | And Then There Were None | Vilgax uses the Chronosapien Time Bomb to erase all Bens except one. | | 62 | And Then There Was Ben | The last Ben fights through alternate dimensions to restore the multiverse. | | 63 | The Vexas Factor | A planet-sized alien egg hatches near Earth. | | 64 | The Dream Eater | A psychic parasite feeds on Ben’s dreams, turning him into a zombie. | | 65 | The Devil’s in the Details | Zs’Skayr (Ghostfreak) possesses Rook. | | 66 | The Transcendence | Ben unlocks Alien X again to argue with two personalities to save a galaxy. | | 67 | The Ultimate Heist | Ultimate Kevin (from another timeline) tries to steal the Omnitrix. | | 68 | The Monster in the Mansion | Ben fights a mimic alien that copies his every move. | | 69 | The Purge | A human-supremacist group hunts aliens on Earth. | | 70 | The Final Battle: Part 1 | Vilgax and Eon merge timelines to break Ben’s will. | Season 8 – The End of the Road (2015) | Ep # | Title | Summary | |------|-------|---------| | 71 | The Final Battle: Part 2 | Ben as Atomix + Feedback defeats Eon. Vilgax is imprisoned forever. | | 72 | A New Dawn | Ben must stop the Annihilarrgh from erasing all existence; uses Alien X to recreate the universe. | | 73 | Hole in the World | A black hole appears in Undertown – caused by a grieving Celestialsapien child. | | 74 | The Search for Bivalvan | Ben tracks down the Andromeda 5 aliens one last time. | | 75 | The Big Story | A journalist tries to expose Ben’s “reckless” past. | | 76 | The Sound and the Furry | Zed (Khyber’s dog) gives birth to shape-shifting puppies. | | 77 | The Last Laugh | A jester alien uses laughter as a weapon. | | 78 | The Tennyson Summit | All Tennyson cousins (Gwen, Sunny, Ken, Lucy) unite to stop a family curse. | | 79 | The Once and Future Ben | An elderly Ben from a doomed timeline begs current Ben to change history. | | 80 | End of the Road | Ben retires from active Plumber duty. Rook gives him a farewell speech. Final shot: Ben drives off in the Rustbucket 3, smiling. | Note: Omniverse originally aired in a “season 1–8” format for DVD/streaming, but TV broadcast sometimes grouped them as 5 larger arcs. The above follows the canonical episode order used by Cartoon Network and the official Ben 10 wiki.