While trapped in an Ancient Grecian building with the ceiling slowly closing in on them, Velma finds an old scroll. This leads to both their escape route, and a story about one of the first mysteries in Ancient Greece, involving the gang as Ancient Grecian citizens and a spider monster.

The episode was rated 6.92 from 13 votes.

Velma takes the gang on a visit to Japan after she is invited there by a friend, but they soon discover that the city is being haunted by a crab monster named Kaniaku. Meanwhile, Daphne goes viral in the Japanese media.

The episode was rated 7.12 from 17 votes.

The gang is in Britain for Velma's symposium speech on Christmas Eve, but the spirit of mystery is in the air when they meet a man who claims he will be haunted by three ghosts. While Scrooge's lack of articulateness and Fred's grudge against raccoons keeps the gang occupied, Velma discovers that the ghosts are not only there to show Scrooge the error of his ways. It seems the ghosts want to show her that her life would be far better without being oppressed by the gang's obsession with mysteries.

The episode was rated 7.19 from 16 votes.

Scooby gets an inheritance from a rich man he once saved. But, to collect on it, the gang spend a night in a creepy mansion with the rich man's strange relatives and a spooky phantom.

The episode was rated 7.31 from 62 votes.

While the gang visits New Orleans (and Daphne pretends to be a vampire), they encounter a Creature from the Black Bayou that's keeping everyone out of the swamp lands.

The episode was rated 7.33 from 55 votes.

The gang climbs aboard the cruise ship run by Fred's cousin despite Velma's strong dislike of water.

The episode was rated 7.35 from 112 votes.

After mistakenly parking on a spaceship's loading dock, Fred and the gang are sent in space where a virus turning people into skull aliens is rapidly spreading. The gang has to figure a way to solve the mystery and avoid becoming contaminated with the alien virus.

The episode was rated 7.36 from 14 votes.

When the gang attends a Day of the Dead festival in Mexico, Fred thinks he can become a legend if he captures the ghost of the criminal El Bandito for the town locals.

The episode was rated 7.42 from 33 votes.

While visiting Shaggy's and Scooby's food mentor, they have to help out in the restaurant while solving the mystery of the yeti attacks.

The episode was rated 7.47 from 75 votes.

When a giant creature called a Houndbeast attacks a dog show, Scooby goes undercover and enters the show to solve the mystery. However, internal struggles between the gang make it difficult to solve the mystery, including Velma and Shaggy switching personalities, Fred pretending to be a rich millionaire, and Scooby trying to earn the respect of the other dogs.

The episode was rated 7.47 from 15 votes.