When Velma's uncle Dave goes missing, the gang attempts to find him. On their search, the gang is attacked by the legendary Willawaw, which is said to capture people if an owl calls their name.
While vacationing, the kids aid Naval Intelligence to halt the mysterious disappearances of airplanes.
Professor Krueger summons the kids to the North Pole, where they confront a giant Snow Beast.
A witch burned at the stake in 1779 suddenly appears in Salem, Massachusetts, USA.
After an archaeologist discovers an ancient Turkish city, his workers are terrified by the "Tar Monster," a legendary creature that protects the city.
Velma's friend Aggie summons the gang to Scotland to solve the case of the Loch Ness Monster, which is terrorizing guests at her hotel.
Old Iron Face, a legendary character who haunts the area around an island prison, terrorizes the gang.
A painter-ape hybrid cryptid terrorizes the gang after they are stranded in the middle of a jungle in Brazil.
Scooby, Shaggy, Daphne, Velma and Fred try to uncover the mystery behind the strange appearance of a cat creature who has been robbing jewellery shops in the area.
While visiting a botanical garden, the kids confront a seven-foot-tall preying gigantic mantis.
The gang go to Decade Records recording studio to watch a live recording of their friend, Jimmy Lewis. But the building is haunted by the Phantom, who is trying to find a song by a missing writer, and will stop at nothing until he gets it.
The gang travel to China making their way to the city of Rampoo. While there, the gang run into the Moon Monster, whose shadow, legend says, turns people into stone.
The gang visit their friend, Antonio, in Venice, Italy, and find that he's haunted by the spirit of an ancestor, the Ghostly Gondolier, who seeks to steal the ancient necklace Antonio wears.
The gang head to Puerto Rico for a holiday. They visit an ancient fortress where the ghost of General Juan Carlos, who guards the El Moro Fortress, warns them to stay away.
n England, the gang meets up with tennis star Jimmy Pelton, who has been cursed by a warlock known as Anthos. The gang agrees to solve the mystery for Jimmy, but it appears they too may be cursed by Anthos.
During a vacation to a Canadian fishing village, the kids encounter a lake monster.