The gang surprises Scooby on his birthday with a very special "Here's Your Life, Scooby Doo" show that includes people from his past, but one is an old enemy.
Scooby's crew heads to a Moroccan paranormal convention to find a demon who is trying to trap them inside of a mirror, but other ghost hunters get in the way.
When the ghost of El Bandito returns to haunt people on the Day of the Dead, Fred aims to capture the spirit in the hope of becoming a legend in Mexico.
The Quest team locates a missing submarine in the North Atlantic, but a time-travel device on board is triggered, and they are suddenly fighting Nazis in 1945.
Thundarr and the Gang help the Mok Chieftain and his village against the Queen of the River Pirates, as she seeks the Mok's treasure, and will stop at nothing.
Grandpa Max and Ben encounter water from the Fountain of Youth and are reverted back to being kids, forcing Gwen must take care of them while controlling Hex.
At a wedding, Ben, Gwen and Max learn that the bride's parents are aliens, and the groom has a family of ex-Plumbers, which is a major source of conflict.
Foggy and Barnyard Dawg can't stand each other, and they use the weasels in their fights; the weasels are easily talked into doing things for either side.
Sam Sheepdog defends a flock of sheep from pesky Ralph Wolf; Ralph makes various attempts to steal the sheep, but Sam always seems to be one step ahead of him.
While exploring a planet for a molecule needed for yo-yo polish, Duck Dodgers and Porky Pig encounter Marvin the Martian and his plan to blow up the Earth.
When Bugs Bunny picks the wrong taxicab to take to the bank and soon finds out that he's in a gangsters' getaway vehicle, so the gangsters hold him hostage.
Droopy lives the life of a spy; Tom is forced to look after a baby after the teenaged girl that is supposed to be watching him becomes distracted on the phone.
The team visits a Scottish castle that has fallen on hard times since rumors of a ghostly horseman scared away the tourists; they're there to dispel the myth.
After each of them mistakenly believes that the other has ended their relationship, Lola joins a monastery, while Bugs buys a boat to sail around the world.
A young Tasmanian Devil and his family experience outrageous adventures in the land of Tazmania, and they must overcome a variety of intriguing obstacles.
While exploring a planet for a molecule needed for yo-yo polish, Duck Dodgers and Porky Pig encounter Marvin the Martian and his plan to blow up the Earth.
When Bugs Bunny picks the wrong taxicab to take to the bank and soon finds out that he's in a gangsters' getaway vehicle, so the gangsters hold him hostage.
Tweety is in his nest right in the middle of a dog yard, and Sylvester must try to figure out a way of successfully getting past all the dogs to get to Tweety.
A cold Foghorn Leghorn decides to befriend the Widow Hen so he can live in her warm house; the Hen agrees as long as Foggy will be a good father to her kid.
A camping trip takes an unexpected turn when the gang learns tourists are being frightening away by Viking ghosts, and it's up to them to figure out why.
Daphne and the gang struggle to defend Fred in court when he is wrongfully accused of wearing a mutant disguise and fabricating his previous mysteries.
Shaggy and Scooby head to Switzerland with the help of the new mystery machine to prevent Dr. Phibes from intervening in an anti-global warming conference.
Betty calms Fred's nerves by suggesting a rehearsal of the delivery, which goes well until it turns into the real thing and they have to dash to the hospital.
When Wilma meets a television producer who wants to use her hands on TV, Fred risks everything to get his wife her "big break" into a career in show business.
Popeye and Olive Oyl land on a jungle island; a huge elephant grabs Popeye and a gorilla runs off with Olive Oyl; Popeye uses his left hook on the elephant.
Popeye goes to the circus looking for Olive Oyl and discovers that she is taking part in one of the circus acts, and Popeye winds up in an aerial fight.
The team visits a Scottish castle that has fallen on hard times since rumors of a ghostly horseman scared away the tourists; they're there to dispel the myth.
During an oil-drilling operation, a pathway to the Earth's center mysteriously appears, leading the team to the remnants of a buried ancient civilization.