Reginald Bushroot, plant scientist, only wants to make the world a better place to live, but his colleagues mock his passion for plants. When he subjects himself to his own experiments, he becomes a half-plant, half-duck 'Doctor Doolittle of the Plant World,' and it's time to get even with his tormentors.
The owner of the local mini-golf, Lilliput, has invented a helmet that allows him to communicate with ants. He then uses a shrink ray to shrink the buildings and landmarks of St. Canard, using the ants to haul the now-shrunk buildings back to the mini-golf, where thay become part of the course. When DW discovers his secret, Lilliput shrinks him down a tiny size, smaller than an ant. DW now has to foil the villain's plot, and get back to normal.
Dr. Bushroot, trying to grow a wife for himself, accidentally creates a vampire potato. The Muddlefoot's go camping with Gosalyn hoping to capture a mysterious monster - ""Webfoot"". Darkwing and Launchpad track Bushroot into the country, where a strange truck driver named Duane tells them about the giant potato. Darkwing think's Duane is just crazy and doesn't listen, but when a bunch of hicks at a diner think DW is the vampire and try to kill him, DW has to prove he isn't one. As all this is happening, the vampire potato has turned Launchpad, Herb, Binkie, and Tank into zombies. Honker and Gosalyn finally convince DW that the vampire is real, but before he can kill it, Bushroot shows up to ""save"" his bride. Eventually, DW follows some advise Duane gave him and the potato is defeated, the zombies are returned to normal, and Bushroot threatens revenge.
Someone is stealing all the money in Saint Canard by erasing all the ink on the money and leaving it nothing but worthless paper to write on. Darkwing volunteers to help solve the mystery but SHUSH Agent Grizlicoff doesn't trust him. Darkwing discovers that the thief is Amonia Pine, who used be a cleaing maid until some dangerous chemicals caused her to be obsessed with cleaning.
Infuriated at how he's portrayed in his new comic book, Darkwing decides he can write it better himself. But he keeps getting interrupted by everyone, who then add their own little bits...Finally, even Megavolt joins in and the result is a hilariously funny romp through Comic Book Land--which the editor hates. No matter, Darkwing is off to see Disney about a contract.
SHUSH has given Darkwing Duck a simple case: Travel to Oilrabia and stop Steelbeak's schemes to steal their oil. Steelbeak's plan: flooding the place with his weather machine and attacking by sea. Darkwing's big problem: He picked THIS day to let Launchpad assume role as hero and be a sidekick himself.
Negaduck, Bushroot, Quackerjack, Megavolt, and Luqidator all join together as the Fearsome Five to defeat Darkwing Duck and take over St.Canard. When the other superheroes hear about this Neptuna, Gizmoduck, Morgana, and Stegmutt band together to fom the Justice Ducks. Darkwing is less than thrilled, however, wanting all the credit for their defeat. But when he faces the Fearsome Five, he soon finds out the job is more than he can handle.
Morgana is using sleep sand to rob the citizens of St. Canard while they sleepwalk. When Darkwing steps in to set things right, he ends up in dreamland. Nodoff, controller of dreamland and supplier of Morgana's sleep sand wants the entire city to snooze, and will see to it that no one gets in his way.
Darkwing Duck is a little known crime fighter dying for a big break, and the publicity that goes with it. Yet when he gets on the trail of the infamous Taurus Bulba's latest scheme he gets into more trouble than he expected. Bulba has masterminded a scheme from within prison revolving around a powerful invention - the Waddlemeyer Ramrod, but is missing the arming code. Darkwing foils an attempt to kidnap the only living relative of the late inventor of the Ramrod, an orphan named Gosalyn.
Under Darkwing's care, Gosalyn ends up revealing the ramrod arming code in the form of a lullabye her Grandfather used to sing. But a newly escaped Taurus Bulba lures Darkwing out into the opening to both find his secret lair and turn him over to the police. Launchpad, Darkwing's biggest fan springs him loose, becoming his new sidekick at the helm of his fanmade superhero jet - the Thunderquack. They race to Bulba's flying base of operations for a final climactic showdown which ends in a shattering explosion around both Darkwing and Taurus. Later, a bruised and battered Drake Mallard (aka DW) arrives at Gosalyn's orphanage to adopt her.
In this case, Adopt-a-con means the Adopt A Convict Program. The program has sent Tuskernini to Drake's house. DW is sure that Tusker won't reform, even though he acts as if he has. Posing as Bushroot, he takes Launchpad, Gosalyn, And Drake hostages in order to fish out Darkwing. But Drake's already a hostage. How can DW pull out of this one?
When Quackerjack learns that parents won't buy his dangerous toys, he decides to create a toy utopia for children, with him as the ruler. Gosalyn gets into trouble at school, causing the principal to suggest Drake take a better look at his parenting. Drake gives up Darkwing to become the perfect parent just as Quackerjack executes his insane plot.
While pursuing the Fearsome Five (and therefore escaping the Muddlefoots and their boring ""Pelican's Island"" birthday party for Honker), Darkwing is thrown into a giant cake - which serves as the universal portal between his world and the Negaverse. In the Negaverse, everything is the extreme opposite of his world and Negaduck is supreme ruler, so Darkwing decides to use his new friends (The "Friendly Four") to change things a bit, which Negaduck does NOT like.
Bud Flood, spring water salesmen has been posioning his competitor's water in order to promote his own. Darkwing moves to stop him, but ends up sending him into a vat of the poisoned water. He has survived in a watery form, ""The Liquidator"". Now, the Liquidator has turned all of St. Canard's water hard. How will DW stop a criminal who isn't a solid?
300 years ago, a pirate scourge sailed the seas, striking for truth and justice. That's right, believe it or not, that was a scourge of pirates! Darkwing Doubloon and his crew, Gosalyn, Stegmutt, Launchpad, and Gizmoduck have must battle the alleged pirate Negaduck and the Fearsome Four to keep them from making off with the king's jewels.
Darkwing Is getting a little bit stressted. So he goes to a stress free clinic (which is beeing runby Megavolt and QuackerJack) and they brain wash him. Now he is too calm (not even Goslyn deystroying the house can get him mad!). When Megavolt and QuackerJack start a fire that soons starts to spread, Launchpd and Goslyn have to try to get DW out of it. But when Megavolt puts out the fire, he also starts a flood. What will they do?
Forced to work on her boring history assignment, Gosalyn dozes off, and begins sleepwalking. She dreams herself with AstroDuck, a television show character, trying to find ""The Fountain Of Knowledge"". While she is learning about famous explorers in her dreams, Megavolt uses her as bait to trap and kill Darkwing in the real world.
It's Ammonia Pine's worst nightmare! FOWL has teamed her with her polar opposite, her filth-loving sister, Ample Grime. It WOULD be easy for Darkwing Duck to stop them. But Gosalyn, not having enough allowance to buy a video game, has discovered that she can cash in whatever she recycles... incuding the Thunderquack's engine, the Ratcatcher, a few gas guns, etc.
A series of supernatural pizza topping thefts leads DW to the place that is home to St. Canard's mushroom production: McCawber Mansion. However, instead of keeping his thoughts on the case, he ends up falling for Morgana McCawber, the chair of the company. Can he crack this mysterious case, or has the hero been bitten too hard by the love bug?
F.O.W.L. rebuilds Taurus Bulba into a death machine, hoping to create a new agent from him. Bulba refuses their offer and burns only with the desire to have revenge on Darkwing. To make matters worse, a recent accident has Darkwing in a wheelchair. Can he defeat a new and improved Terminator machine in his condition?
D.W. gets the D-2000 super-computer! While it seems to be perfect, Launchpad feels it's replacing him as sidekick, and Gosalyn is fed up with not getting away with anything, and introduces it to Launchpad's soap-operas. Soon, even darkwing wants the machine gone when it falls in love with him. Darkwing finally tells the computer system it's getting unplugged when he gets to the tower, at which point it goes berserk and decides that if it can have D.W. noone else will!
Helping with Gosalyn's homework, Darkwing shows her famous Mallards from history. She sneaks back into time with Quackerjack's timetop and brings them to the present. None of them seem to be as great as they were thought to be. When Megavolt steals Darkwing and Launchpad's nervous energy, the failures have a chance to prove they are heroes at heart.
Darkwing's new weapon hits Gosalyn. Although she's perfectly fine, 3 new beings are created, all of which look like Gosalyn, but have powers based on different frequencies: Heatwave (red), Lightwave (Yellow), and Radiowave (Green). D.W. enlists Megavolt help, but an untrusting Darkwing messes things up (""Positive, Positive, POSITIVE!""). Now the 3 Frequency Fiends are combined into 1 super-being, and it's up to the combined efforts of D.W., Launchpad, Goz, and Megavolt to stop them!