Fresh water is mysteriously disappearing, causing alarm everywhere. Spirou and Fantasio discover the extent of the damage via a satellite image.
While Spirou and Zaoki try to capture the velociraptor before it wreaks havoc on the island, Fantasio and Champignac discover the creature's origins.
Spirou and Fantasio discover that the Scottish coast has been polluted by an oil spill, a strange phenomenon since no tankers have come through there.
Zorglub's one-man fan club, Dr. Nodule, tries to prove his admiration by serving up Champignac on a silver platter for the mad scientist's birthday.
Spirou, Champignac and Fantasio are at a ski resort when the weather gets hot. Spirou and Fantasio soon learn that Zorglub is behind this phenomenon.
As Cellophine is interviewing Luna about her next film, the two women are kidnapped by Quentin Tarantula, a filmmaker who wants revenge on Luna.
Fantasio gets sucked in by a computer and becomes prisoner in a video game. There he meets Eliza, a friend of Zaoki's who has suffered the same fate.
As part of their story on the first tourist supersonic space flight, Spirou and Fantasio visit the school for training flight attendants.
Cellophine has become invisible! She explains that in exchange for a scoop, she agreed to test Professor Phosphene's invisibility potion.
A total eclipse plunges the Earth into darkness -- a strange phenomenon since no eclipse was scheduled to occur. Worse, it continues to remain dark.
Zorglub decides to upgrade Zero's performance, but as Zero's faculties multiply, the robot declares: "I'm not Zero anymore! I'm Number One!"
Mysterious animal tracks are creating tremendous fear on Zaoki's island. Spirou, Fantasio and Zaoki head into the jungle and encounter a velociraptor.
Spirou is delighted about a trip to the Arctic, but Fantasio had been counting on a few days off. Fantasio instead sends his clone with Spirou.
Ravenous Spip swallows a mushroom in Champignac's laboratory. The electronic chip inside it turns him into a dangerous and unstoppable carnivore.
An almost hysterical Champignac warns that Earth has stopped turning! Zorglub refuses to set the planet on course until he receives a huge ransom.