1. The Filth

Ben is tasked with cleaning the Rust Bucket, when he is tricked into letting the villainous and vile Fly Guys steal it.

2. Waterfilter

Ben, Gwen and Max's trip to Niagara Falls is cut short by the horrid Hydromanders, creatures menacing them and their fellow tourists.

3. The Ring Leader

While winning big on a Sumo Slammers video game, Ben gets the idea to win a wrestling match for real.

4. Riding the Storm Out

Ben and Gwen's camping trip is interrupted by the Weatherheads, but a malfunctioning Omnitrix may not be the forecast for success.

5. The Clocktopus

Ben must not only face the archaic antagonist Steam Smythe and his latest creation, the Clocktopus, but also his deepest, darkest fear: squids!

6. Take 10

While trying to film his own indie film, Ben accidentally allows the Bug Gang to go free.

7. Growing Pains

During a stop at the superstore Shoppe, Ben and Gwen are transformed into babies by nanny-gone-nuts Nanny Nightmare.

8. Shhh!

While chilling at a monastery with a no-noise policy, Ben can't keep quiet and accidentally awakens a dragon hidden below the hallowed halls.

9. Brief Career of Lucky Girl

When a wizard cosplayer gets his hands on a real magical wand at Comic-Con, Ben enlists Gwen to help stop Hex from retrieving it.

10. Animo Farm

Ben stumbles into Dr. Animo's secret lab, now ruled by his superior mutants, the Alphas, and must help the lesser animals escape.

11. Clown College

At State U's homecoming football game, Ben teams up with Grandpa Max's old college buddies to keep Zombozo from robbing the stadium blind at halftime.

12. Adventures in Babysitting

Ben is forced to babysit Simon Sez, a brat with a Billy Billions-designed backpack that turns him into a formidable robot.

13. Something I Ate

When Dr. Animo sicks a hungry ani-mutate on Fort Knox, Ben must stop it before it gobbles up the nation's monetary standard.

14. Steam Is the Word

In the heart of Silicon Valley, Ben has to stop Victorian villain Steam Smythe from securing an epic power source sealed in a Tesla time capsule.

15. The Beast Inside

Ben, Gwen and Max make a return to Max's alma mater, but it's no homecoming. Dr. Animo has found a way to release humans' dangerous animal nature.

16. All Wet

No one believes Ben when he insists that one of the patrons at the World of Wet Water Park is the nefarious Frightwig disguised as a common girl.

17. Villain Time

Ben goes alien to save the Hoover Dam from disaster, but when hero Tim Buktu swoops in to help, Ben must figure out if Tim is a friend or foe.

18. Drive You Crazy

Mad driver Le Grange returns for revenge against those who disqualified him years ago from the Cali 10 Hundred, an epic off-road auto race.

19. Tomorrow Today

When Max drags the kids to see a defunct "House of the Future," Ben discovers Steam Smythe is busy excavating the joint.

20. Story, Bored

During a book signing at a medieval castle, Ben must stop Hex from getting his hands on a grimoire that can fuse its user with mythical beasts.

21. Hole in 10

While mini-golfing, Ben is attacked by the Ground Hawgs, a gang of Dr. Animo mutants turned bikers.

22. Recipe for Disaster

The Tri-Chefta, three famous chefs and infamous bad guys, hunt down Wildvine in hopes of creating their most exotic dish to date.

23. Rustbucket RIP

Ben finds a rare Sumo Slammers card, but when Billy Billions comes to claim the same card, Ben has to battle Billy's high-tech drones.

24. Freaky Gwen Ben

When Ben interferes with malicious magician Hex's quest for the earth-moving Titan Gloves at a swap meet, he inadvertently switches bodies with Gwen.

25. Ben 24hrs

When Ben (and Gwen!) attempt to stay up all night for Adrenaland, his "sleep-alien-ing" causes disaster after disaster.

26. Bright Lights, Black Hearts

Ben discovers that the lead of Gwen's favorite TV show is an energy vampire called Michael Morningstar.

27. Don't Laze Me, Bro

Ben and his archenemy Billy Billions clash in a duel for supremacy at the world's largest laser tag park, Laser Town.

28. Don't Let the Bass Drop

Ben and Gwen are excited to attend an Earth Day EDM concert in Portland, until the show is hijacked by the sound-manipulating baddy Lord Decibel.

29. Bad Penny

At the Big Bacon Pig Parade, Ben uncovers a plot by the Bug Brothers to steal helium from the parade balloons to rob banks.

30. Zombozo-Land

Zombozo and his henchmen are the new management of AdrenaWorld, and he's got a plan to hypnotize everyone in the park to form a criminal army.

31. Forgeti

Ben is dubious when Gwen drags him along on a hike in search of the legendary Forgeti, a yeti that makes people forget they ever saw it.

32. Max to the Max

While Ben, Gwen and Max hike to a waterfall, the Bugg Brothers are back with a plan to duplicate Diamondhead.

33. Cutting Corners

Ben goes Upgrade doing yard work for Geezer Bob, drawing the ire of Bob's gnome neighbors, the tiny, terrifyingly tenacious Billy-Bob Goblins.

34. Xingo

While watching a marathon of his favorite cartoon show, Ben goes Upgrade to boost the signal, with unintended and chaotic consequences.

35. Scared Silly

Ben, Gwen and Max are forced to stay at a hotel being menaced by Creepy Carl, a local folklore expert who may actually be a ghost!

36. Need for Speed

Touring Yellowstone, Ben uncovers a plot by the fast and furious LaGrange to find treasure buried below the national park.

37. Omni-Tricked

Ben's vacation to Portland is cut short when he discovers an 11th alien while battling a Dr. Animo mega-creature.