Lightning renders dumbo Averill smart enough to lead a Daltons escape and evil, seizing command from Joe and aiming to rob Fort Knox. While Lucky Luke sets chase, the lightning wears off, so Joe goes looking for more electricity to reproduce the effect, but can only recur to a rain-dancing Indian medicine-man.

A professor's archaeological dig finds a great Ancient king's tomb. On his way to Santa Fé University through Schnozzola (big nose) Indian territory with the mummy, which carries a legendary talisman, he attracts thieves and an undertaker, fascinated by the lost embalming technique. The Indians, descended from the king's people, believe the talisman brings a brave chief supreme power. They decide to seize it, but the medicine-man wants to rule himself- or not just him? Lucky Luke escorts the professor.

When Lucky Luke's boisterous tomcat friend, Calamity Jane, is officially wanted (dead or alive) for crimes committed by Phil Fast Finger, assuming her loud red-hair posture, Lucky agrees to help her escape. So now the crook catcher is hunted down with her by every bounty hunter- and trace the real culprit, to which end he masquerades with her as the respectable couple Jones. Their stage coach gets trough an attack by Indians, the rivaling bounty hunters catch up, and so does Phil.

After yet another escape, the Daltons are handed a baby by a mother, who rides away as diversion 'chased by villains'. Although the boy clearly bonds only with him, Joe first dumps noisy Junior on the old farmers, who adopt the godsend, then changes his mind to steal the baby back hoping it's worth a royal ransom.

When (young) Billy the Kid is jailed in the same prison as the Daltons, both legends escape. They are hell-bent to outdo the rival, and foremost to get Lucky's scalp, even ignoring rich preys along their respective paths. Lucky manages to play them against each-other and jails all five. But the locals are so into betting on various sides that they decide to free all crooks. In this way they can continue the ultimate contest for the worst Wild West criminal, in which their respective supporters intervene.

The Daltons planned to escape by staging a trampoline act in the celebration for the prison's anniversary, but Lucky shoots that act down. Averell asks him for his escape artist act, as volunteer cuffed to Joe, but to both's horror the handcuffs can't be opened and nobody has a key, they were left by peddler Longneck who took off- the unwilling pair sets chase, while Joe keeps trying in vain to get rid of Lucky. General Custer has engaged Longneck to manufacture a tank in the same, allegedly unbreakable alloy. The other Dalton brothers escape and follow, looking for Joe... Written by KGF Vissers

During excavation work to connect the prison with Washington via underground cable, a Platfeet settlement and graveyard is discovered. Lucky has the work stopped while a famous archaeologist examines the site and both confirms and even claims it proves Indians and Europeans have a common ancestor. Alas the Indians find out and lay siege to the fort. The Daltons escape, but realizing the find is a treasure, Joe is determined to break back in and steal it before escaping again, but neither proves easy. The defense includes moving the whole prison, while the contractor has his own drastic 'solution', which pleases only Rataplan. Written by KGF Vissers

US Cavalry Colonel Oswald has orders to test fat Bertha, the White House's top-secret artillery pet project. Alas he looses control over it after the Daltons saw it, so they escape to get hold of it, but so want Indian chief Oochi Coochie and the now dismounted troopers. Lucky must arrest the Daltons again at risk of being bombed to Kingdom come, and the Colonel gets a surprise visit.

Lucky is sent to check on Fort McCallister, which guards the Fake Tattoo Indians. He finds everything is peaceful. The commander's elderly but bossy mother, Julia, meets and falls in love with the chief's equal old and senile father Trilling Otter, which the brothers-in-law-to-be want to prevent at all cost. So the lovebirds elope.

Lucky arrives in a small town when mad general Custer is campaigning for president there against Gneral Grant's supporters. Each side aspires hero Luck's reluctant support. Custer's terrible temper hurt him despite a good campaign adviser, but his dog-phobia and panic fear for bad luck bringer Rataplan prove as crucially self-fulfilling.

The Daltons have just escaped from the federal penitentiary along with A.B. Faria, an old, wheel-chair bound prisoner who claims he knows where the legendary treasure of Cibola is hidden. The fugitives are so discreet that pretty soon everyone west of the Mississippi knows about the treasure, including the Federal government who hires Lucky Luke to chase down the convicts...and find the treasure. Lucky Luke spies on our favorite friends from a distance as they’re dragged from one end of Arizona to the other by an old man with a memory shot full of holes. And to cap it off, the Daltons have to protect old pops from all of the crooks who are drawn to the treasure like flies to #@*!!. The mythical city of Cibola is finally uncovered...but once they see it, nobody is going to fight over the famed treasure!

Out west, things are a mess! Not a single buffalo on the horizon1 The federal government quickly takes action and decides to bring the noble beast back to its natural habitat. The news spreads like wildfire amongst the hunters and they claw at each other to get first dibs at prime rib. Lucky Luke who has been chosen to guide the last pair of buffaloes back to the prairies of Wyoming, is going to go head-on with Buffalo Bill and J.J. Misdeal, the fastest fingers in West. But he is also going to have to reason with the Indians who have been deprived for too long of their favorite game. The whole thing would be just another day’s work for our lonely cowboy if those dang furry critters weren’t so civilized...

Newly escaped from prison, the Daltons bump into Brad Alimony, a lawyer from the East Coast. This erudite fellow has a fail-proof plan to keep the four cronies out of jail. He can have every one of their sentences annulled… providing they pay. Questionable methods, but a legal method to clear the Daltons. Joe is reluctant to pay the lawyer's fees, but can't see any other way around it. So the Dalton's find that for once, they've got the Law on their side. Lucky Luke - on their trail yet again - ends up being accused and sentenced for harassment. Thankfully our hero knows a few loop-holes himself… legal ones of course!

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The brothers Walter and John decide to spring the Daltons from jail by hot air balloon in order to prove even the most-feared gang can't crack their custom-order safes on board a train. Of course once free, nasty Joe decides to rob the Trick Gulch bank instead, where Lucky -who guessed so- waits for the Daltons, but the balloon rescues them, yet they throw the pilot out. Indians think the balloon is the stolen sun, Rataplan mistakes it for a toy-ball.

Lucky investigates when a town gets divided over whether to believe that cattle theft is the doing pf green Martians arrived by flying saucer, or cleverly covering-up thieves as Luke assumes. Even an Indian medicine man seizes his chance to sell 'alien repellent' talismans.

Lucky arrives as travel companion of qualified Chinese doc Li Ping Ping in mine town Diggers Point. There teacher Vicky had cornered the medical market, which is also claimed by peddler quack Dr Toxys. Luke accepts to serve as exemplary patient for both Li's acupuncture and Vicky's Western medicine, which attracts customer, Luke helps prove the quack's malice and disprove his attempt to discredit both rivals. When the mine collapses, all medical help is needed, and the cause of the epidemic found.

Black cattle farmer Meredith is arrested by the racist Dixie sheriff of Leek Gulch, who confiscates his beloved cow Josephine on account of an absurdly high fine. The governor grants him only the services of a Chinese marshal who only makes up for his miserable shooting and riding skills with his martial arts. These skills are no use in preventing both of them being pitched and feathered. So he hires an 'assistant': his old friend Lucky Luke, who sends for a judge. Meanwhile the trio faces the sheriff's family, entirely crazy and blood-thirsty (the grandpa is worst of all) apart for one son (the saloon keeper), but impatient idiot Meredith gets himself arrested as semi-accidental cattle thief. Written by KGF Vissers

Lucky Luke catches traveling performer Otto abusing his hypnotizer skill for theft. He's jailed with the Daltons, who convince him to escape together, form a robbery gang and take revenge on Lucky. Otto hypnotizes a whole town, but Lucky remembers some cancel and other commands. Otto resorts to hypnotizing his own side, with weird side-effects, and Averill learned the skill.

A judge requires Lucky to escort New York zoology professor, Oscar Tinyboots, a snail expert, to St. Bob, Kansas. He's the star witness against Smiley Laughter, having killed a protected animal. Smiley, a gangster, has never lost a trial because he has all the witnesses murdered. Oscar's bossy wife, Mimi, and Luke escort Oscar, first masquerading as soldiers. When the leave, the platoon commander tries to catch the deserters, so they venture into tribal Indian land. There the humble snail suddenly becomes vital.

Elmer Rotten, criminal par excellence and, master of disguise has turned himself into none other than yours truly, Lucky Luke. What better way to heist, rip off and bleed the wild west of its last penny?! Suddenly the “real” Lucky Luke becomes the most wanted man in the frontier and he finds himself having to hunt down...himself! Of course Rintindumb, the stupidest dog in the West is utterly convinced that Elmer Rotten is the “real” Lucky Luke! And faithful old pooch that he is, nobody, but nobody is going to lay a paw on his master!

Lucky meets the brothers Lumière, and saves the French pioneers of cinematography on their way to Holly Woods, still equally unknown then, from such diverse dangers as a bear and a malicious businessman and his dogsbody Jack who try to sabotage their entertainment breaking trough, or on second thought steal their unique camera. Meanwhile their demo movies were destroyed, so Wild West folk must act in a new one...

When Lucky attends a small-town horse rodeo, two fat wallets convince several contenders to bow out with 'leg cramp', leaving the Moldavian twins Bogdan and Todor, mistaken for Canadians, who are knocked down and out in no time, but ex-aequo. After the brothers bribe the sheriff for a chance to hunt down a criminal, Lucky takes charge and finds out they are rival crown princes on a contest for the right to succeed their uncle, king Slobko of Moldavia, consisting of three parts: rodeo, arresting a crook and scalping an Indian, but Lucky protects the peaceful No Joke tribe... Written by KGF Vissers

When three red-headed hulks wearing kilts and Scots berets muscle into O'City's saloon bar, Luck Luke chokes on his lemonade! This reaction sets off an brawl, giving the local Irish a perfect excuse to try and knock the brains out of the new lads in skirts. Later, when Lucky Luke is invited to stay at the Scots' castle, he finds himself embroiled in an intrigue involving the McCloud clan, the local Irish and native Indians. He'll have to deal with Lord Bloody's ghost, make peace with the Great Spirit of the Plains, and keep the Indians peaceful with the unexpected help of a Rugby match : child's play for Luke, compared to the next dilemma he's faced with: how to swallow haggis with dignity!

Despite Lucky's warning, the governor who wants to limit prison costs allows rancher Joe to take the Daltons for 'rehabilitation trough farm labor'. Thre crooks find earning their keep under a foreman's whip intolerable, ironically most of all Averel, although he is spoiled to his brothers' envy by farmer's wife Cynthia, who has the hots for the tall idiot, who alas hates kisses so much Lucky finds him in jail having dug a tunnel back in. By the time Joe manages to mount their escape, they get both Lucky and a woman scorned on their trail.