It’s a mad dash by Buster to retrieve his runaway mustache in this fast-paced, zany city-wide chase.

Grizzled and Rooky go undercover to root out the criminal mas-termind behind a counterfeit pie operation.

The oblivious Ms. Blumfeld turns into a superhero, stopping crimes around the city, as Duke struggles with his orders to arrest her.

It's Harl Hubbs Day and Harl decided to help the whole city, but quickly discovers he isn't prepared for Harl mania

Billy's mother, Ann, accepts a junkyard race challenge against the city's street racing legend, Tread Octane.

We pull back the curtain to see how Firemen Bob and Clemmons retrieve the bizarre requests of Chief Freya during a typical emergency.

It’s an old west showdown, when a new adversary rolls into town.

Fendrich organizes a charity as a distraction while he attempts to steal the city deed. Sinclair gathers antiheroes to stop him.

Freya is one credit short of graduating from the fire academy and is suspended as Fire Chief.

Mayor Fleck is running for re-election against R E Fendrich who will stop at nothing to win to use his new power to defeat Sinclair once and for all.

When Duke loses his memory, Snake Rattler tricks him into believing he's Snake’s criminal henchman.

When Rooky discovers it’s Chief Wheeler’s birthday, she is determined to make it a memorable.

During the dedication ceremony of the city’s deep sea vessel to honor Duke, Freya and Harl, the ship is accidentally set adrift.

When the mythical ocean monster, the Quacken, is sighted off the coast, famed adventurer Jessica Sharpe vows to capture it.

Rooky and Grizzled go undercover aboard the Guardian of the Oceans in search of a lost pirate treasure.

Fendrich and his gang learn of Cluster’s hidden junkyard treasure. Harl Cluster, Shirley and Tread unite to protect it.

Snake and Daisy take advantage of Tread to get him to act as their getaway driver to pull off a heist.

When Fendrich threatens to ruin Sinclair's Holiday Gala, Duke intervenes to save both the party and the holidays.

Freya takes Billy and Mark on a ride along, but when things get out of hand, it's up to Mark to save the day.

Tired of the constant disrespect, Hacksaw Hank quits Fendrich's crew and goes to work for Mary Sinclair.

Lt. Gracie Goodhart joins an Officer Exchange Programme and rivals Duke's standing as City's most beloved police officer.

News anchor Craig Woodman goes missing, Gabby Tocamera desperately turns to Shirley Keeper for help.

When the city's power grid overloads, Master Architect, Ave Empire must save the day - if he can prove that he is not a vampire.

When student’s computer tablets go missing, Detectives Grizzled and Partnur go undercover as a student and a teacher to catch the thief.

"The Police vs Fire charity turns from good-natured to angry after competitive Tread Octane is brought in as a last minute replacement."

After thawing his best friend, Dr. Wylde, Dr. Wexler must help Wylde adjust to this modern, one-year-later world.

Tired of living with her overbearing mother, Daisy starts her own business in order to buy a dynamite factory as a new hideout.

With the help of Harl Hubbs' giant crane, Ave Empire is determined to put his opera house in the perfect spot in the city.

Detective Sam Grizzled is hired as a consultant on a movie about an action-packed bank robbery he foiled in his early police days.

When an exhausted Duke Detain makes an uncharacteristic mistake on duty, he volunteers to take his first-ever day off.

An unlikely friendship develops between Poppy Starr, the world's biggest pop star, and Harl Hubbs, the city's humble, helpful handyman.

In order to save a newspaper, Maddy becomes intrepid reporter, Nomi D. Plume and uses her anonymity as a kid to break exclusive scoops.

Fendrich tries to steal a high-tech device being transported to the Eco-Power Plant. Wheeler sends the reluctant Alan to stop him.

Freya’s quest to have fun with her nephew goes out of control when she reconnects with the inner-wild child she spent years learning to suppress.

Westbrook W. Sleet tracks the mysterious Standing Cow of the Lowlands, which he believes is loose in the city – which could create havoc.

The stunt team shows up in the city ready to dazzle, they see the daily action around the city and realize they need to up their game.

Chief Wheeler’s stern, uptight father comes to the city with plans to invest in the big stunt show Wheeler loves.

When the mysterious Prankster mails Mayor Fleck a threat to prank him in public, Carol asks Duke to be the reluctant mayor’s bodyguard.

Fire Marshal Finn McCormack’s small town ways clash with the chaotic city and decides safety changes need to be made to the new stunt show.

Billy and Maddy join a kid’s citywide obstacle course with the help of the stunt team.

Gabby Tocamera hosts a documentary about the green city and finds a mystery surrounding the disappearance of the beloved sewer dolphins.

Saving Maddy’s mom when the City Hall security system runs amok, Billy and Maddy find a clue to the City founder’s identity.

With help from the kids, Daisy "Kaboom" Lewis creates an alter ego to take the blame for her past mis-deeds, but two identities prove hard to maintain.

Billy must save his astronaut hero when Captain Momentous hallucinates an alien invasion after eating expired astronaut food.

Billy and Maddy must help Stunt Driver Wallop pass a safe driving course, or risk being banned from City streets forever.

Cultures clash when the fire department moves in temporarily with the police department following damage to their station.

The Ice Cream Truck Bandits waylay the police force with frozen drinks, giving the officers Glacial Brain Freeze.

Maddy's filmmaking ambitions go wild when she offers to direct a fire safety video.

Depressed, Dr. Wexler quits science. But when a meteor threatens the City, Billy and Maddy must persuade him back!

Billy worries he won’t meet his Mom’s expectations when she signs them up for a charity event’s team physical challenges.

Maddy takes in two lost turtles, unaware that they belong to rivals Sinclair and Fendrich, who believe she's kidnapped them.

With their best friends out of town, Maddy and Dread spend the day together and struggle to find common ground.

After buying a farm to grow his own produce, Mr. Produce becomes convinced neighbouring farmers are out to get him.

Fendrich and Sinclair forge an unlikely alliance to try and drive Harl off a piece of undeveloped land he owns.

Shirley Keeper infiltrates the city's underworld to retrieve the secret formula for Vita Rush's new flavour.

To build an environmentally-unfriendly factory, Fendrich preys on Mayor Fleck's need to be liked to approve his project.

Detective Grizzled's first partner of bad habits returns to the City, causing frustration for his current partner, Rooky.

The kids notice that Freya is in a rut when it comes to making firefighting decisions, so they help her get her groove back.

When they learn Fendrich owns the city, the kids need Chief Wheeler's help, but he may have magically turned into a sheep.

Billy, Maddy, and friends resist Fendrich's iron rule and desperately try to prove that he does not, in fact, own the city.

Moments before Fendrich can tear down city hall, Billy and Maddy learn the shocking truth of who owns the city.