When Commander Octodon builds his vast underwater hideout that causes the oceans to rise, he sends his henchmen Lobster Theodore and Joey Clams to sabotage the pools that the Danger Rangers plan to build all over the world but when Fallbot comes with them, they blame him for it.
Rusty Ringtail builds skate ramps in New York City so he and his friends Snarf and Chilli Dog can skate to the top of the Statue of Liberty. Burble has previously encountered Rusty before in his early work and works to reason with him.
During Boston's power surge problem, Nobel Prize-winning inventor Quentin V. Manderbill plots to build a transporter powered by the wasted energy that children use playing on the prize-rigged playground equipment made by his Play Along Playground Equipment company. When the Danger Rangers end up captured, Gabriela contacts their Junior Danger Ranger allies in Boston for help.
The Danger Rangers celebrate National Fire Safety Month across the United States. In Chicago, two boys named Derek and Scott cause a false alarm that Fire Chief Daniels and his fire department respond to. When Derek and Scott play with fireworks and accidentally start a major fire near their building, Sully and Kitty must help the Chicago Fire Department put out the fire, rescue the building's inhabitants, and teach Derek and Scott about fire safety.
At the time when the Danger Rangers are preparing for their appearance at the Monster Truck Relay, Worley the Weasel and his friends hold a secret jogging race for the prize of the mini-monster truck. The Danger Rangers arrive to teach pedestrian safety and thwart Worley's plot.
In Paris, France, a brilliant scientist named Henri Ennui has a scheme to use a "Rancinator" to stink up the world's candy supply as part of a ransom of $50,000,000.00. This causes kids to seek out things that look like sweets, but are actually medicine which has some of the kids rushed to the hospital. The Danger Rangers head out to intervene in the mix-ups, confiscate the rancid-smelling candy, and defeat Henri Ennui (who turns out to have a history with Kitty) and his "Frinja" henchmen.
he Danger Rangers check on hidden dangers in the home, share bicycle safety rules, and are in charge of travel safety.
The Danger Rangers must snap Sully back into reality and save Hollywood from the dangerously loud music of the new rock band The Decibulls which is shaking up the buildings enough to cause hazards. Burt discovers that the CDs by the Decibulls have been made so they can't be turned down by The Decibulls' manager Buck Huckster and bodyguard Knuckles who wants their music to be loud in the musical competition.
After hearing tales of old-timer Digger Diaz's mining adventures from Tall Tale Tim (the resident storyteller) in Digger's Gold, New Mexico, four children named Mickey, Kareen, Jose, and Julie decide to do a little mining of their own to look for treasure in a large cave and end up losing their way. The Danger Rangers are off to rescue the missing children and showing them that abandoned homes and dark caves are no place to play. Things get worse when Mickey and Kareen end up in a competition with Tall Tale Tim and Giles to get the gold underneath Digger Diaz's house.
When Scotland Yard is investigating who's been putting chemicals on London's streets, they assume it's the local toy-maker Herbert Dinkwell. The Danger Rangers are called in to help prevent dangerous chemical combinations done by unsuspecting children and soon discover that Herbert's assistants Lonnie and Jenkins are responsible for leaving the chemicals on the streets instead of having them taken to the Waste Processing Plant.
The Danger Rangers teach about the dangers of dog bites, how to avoid them, and how to approach dogs safely as Burt makes a mechanical dog named Sparky for the dog show at the county fair. Two kids named Alice and Willie Buckster plan to get a dog of their own for the Pooch Parade, where they try to get the dog that Willie meets on the way to the school named Rufio.
Burble takes the Danger Rangers to the "Be Ready for Anything Jamboree" at the Pine Lake Orphanage (where Burble had grown up during his childhood) run by Mr. and Mrs. Barkster. A boy named Luke and his friend Danny end up in danger when Luke was perfecting wind surfing for Burble until a storm hits.
The Danger Rangers take a cruise ship vacation and discuss water safety while helping a young girl named Alisha overcome her fear of water and helping to calm down the hyperactive Brayski Brothers and their nephew Fran-Teek
Junior Danger Ranger Talya Mendoza sets out to shoot a movie about the Danger Rangers as they prepare for a bicycle, skateboarding, and rollerblading competition called the Go Games at Rivergrove Skate Park. Burt becomes the director to help out Talya. Meanwhile, Chancy McSpill and his sidekick Duncan plan to use every dirty trick in the book to win the Go Games. It's up to the Danger Rangers to thwart Chancy and Duncan's plot.
In this clip show, the Danger Rangers have a surprise birthday party for Kitty and invite many of the children that she has helped over the years.
When Fallbot blows a circuit board and loses his memory during a thunderstorm, the Danger Rangers scramble to fix Fallbot's circuit board and reinstall the safety rules he used to know so well before his visit to Hoover Street Elementary School.