Pif is a door to door salesman of house alarms while Hercule is in the repairing business of broken windows. Ciceron and Busard are robbing Grochoux's safe in his house when Pif arrives to make his sales-pitch.
Ciceron and Gorille give to Pif a briefcase, filled with precious stones that they stole from Grochoux and instruct the dog to go the airport. Hercule wants to collect the reward for the stolen briefcase and recalls Pif had it.
Pif and Hercule work as watchmen in the museum. Hercule decides to set Pif up when he takes out a statue of Neptune, hoping that Pif would be blamed. Meanwhile Ciceron and Busard break in.
It's Christmas time and Pif dresses up as Santa Claus to bring joy to everyone. Hercule does the same but to antagonize Pif. Meanwhile Grochoux's store is robbed by a Santa Claus in disguise.
Pif is a steward on a sea liner. Ciceron and Busard are on board and have stolen a ruby ring that they hide as a cherry on a cake. Hercule is a stowaway and hungrier than ever.
Pif suggests to Hercule to settle a minor incident with Grochoux the old fashioned way, fighting a duel. While Pif prepares Hercule, Grochoux learns how to shoot with the help of Ciceron and Gorille.
Pif and Hercule discover a wand in the professor's lab that melts down everything. Busard and Gorille are also after the wand that would come in handy to melt down Grochoux's safe.
Pif is a bellhop at the grand hotel while Hercule tries to sneak into the building. Crochoux checks in and is unaware he's a target for Ciceron and his gang, who plan to rob him.
Pif started a new business as a pilot and taking people on joy flights while Hercule devises ridiculous schemes to prove his contraptions are better and he's a much reliable pilot.
Pif goes on a vacation to an exotic island, followed by Hercule. Meanwhile Ciceron and Gorille are running from Farfouille after their latest raid and also arrive on the island.
Pif is trying to ditch Hercule once and for all but since he's unable to shake off the cat, they both end up in an abandoned chateau that is a home to a ghost.
Pif is a tour guide in a chateau and Hercule does everything to sabotage his job. But the two rivals are amazed when a local ghost decides to get rid of them and become the guide.
Pif and Hercule are abducted by an alien, who takes them to his planet. His alien compatriots have to observe and copy every action of the cat and the dog, including their fights.
Pif and Hercule create a masterpiece, using ketchup and mustard during their latest fight at the hot dog stand. Grochoux praises their creation and puts it in his exhibit.
Pif and Hercule become dance teachers and their first students come to be Ciceron and Gorille, dressed up like a dame. They all attend a grand soiree, where the crooks are after a pearl necklace.
Pif and Hercule go through incredible adventures from the Earth, to the sky, on another planet and even in prehistoric times but the dog is still bored.
Pif goes to the beach for the weekend, followed by Hercule. Ciceron and Gorille rob Grochoux's bank and to make their escape, they hide in Farfouille's armored police wagon.
Hercule starts a whole cult of good will after Pif hits him on the head much stronger than usual. Ciceron devises a plan how to prey on the devoted followers.