Mini and Maxi try to track down space hijackers who are after a gold bullion, while Hairy Scary tries to teach Casper to scare.
Casper and Hairy Scary go to the Space Circus, where a diamond smuggler gets a pickup. With Mini and Maxi in pursuit, Casper and Hairy catch the smuggler.
Mini and Maxi have an assignment to protect Sandy Gulch from thugs disguised as ghosts. Hairy Scary takes the liberty of scaring the phony ghosts.
Mini and Maxi are assigned to be camp directors. A river dam receives damage, but Casper arranges help before it arrives.
Mini, Maxi and Casper go to baseball stadium to keep an eye on Don Button who is the Space City Dogers champion, but someone is impersonating him.
Mini and Maxi search for Captain Spacebeard, while Casper and Hairy Scary board his ship. Together they stop Spacebeard before he can execute his plan to rob a bank.
Mini and Maxi drive a new Space Bus, but Hairy Scary accidentally gets them stranded on a remote planet. After an encounter with the savage inhabitants, they all escape.
Nerdley and Fungo investigate a cat burglary, but Mini and Maxi take over where they fail. With Hairy Scary's help they set a trap to catch the cat burglar.
The Angels, Casper and Hairy Scary go to the Space Aquarium, but the seal Snowy gets held for ransom. After rescuing Snowy, Hairy proceeds to pursue the culprits.
Mini and Maxi are sent to safeguard the Smiling Lisa, but when Casper and Hairy Scary come it is stolen. They find out it was stolen by an imposter who after the insurance money.
Mini and Maxi search for a pickpocket called the Snatcher who steals things that he doesn't really want. When they do catch him there is a dispute on who gets the credit.
The Angels, Casper and Hairy Scary investigate a burglary. The refuse collectors salvage the stolen items in their scow. The Angels and ghosts track and catch them.
Also known as "Casper's Halloween Special", and "Casper Saves Halloween". On Halloween night, Hairy Scarey, Winifred Witch and Screech Ghost are plotting their mean-spirited spookings. Casper refuses to join them and decides to go trick-or-treating dressed as a real boy, but neighborhood kids see through his disguise and run away in fear. Casper is heartbroken until he meets a special group of orphans who accept him for who he is, a ghost. But their fun is soon spoiled as Hairy Scary and his ghostly crew interfere. Now it is up to Casper and his new friends to stop their ghastly games and save Halloween before it is too late.
Fatula plots revenge on Mini and Maxi who convicted him. Fatula lures the Angels into trap, but Casper and Hairy Scary come to the rescue.
Mini and Maxi have been awarded to star on television. At the same time Slippery Sam has escaped prison, but before he can make a fool of the Angels, Casper and Hairy Scary scare him away.
Casper gets a dog called Sunspot. The dog however is not his to keep and a dog catcher is stealing owners' dogs. Hairy Scary goes as a dog catch the dog catcher.
Hairy Scary volunteers to be a private eye. The crooked detective Snoopy is after the gold bullion Mini and Maxi are guarding. Casper saves the Angels and gets Snoopy under arrest.
When "The Champ," a famous wrestler, has his cherished teddy bear stolen, he refuses to get into the ring. It looks like sabotage! While the Angels track down the one responsible, it's up to Hairy to take the Champ's place.
Hairy tries to impress his Aunt Mary by pretending to be Police Commander.
The ghosts help the angels uncover jewel thieves at the space towers hotel.
Casper, Hairy Scarey, and The Angels pursue a shoplifter who uses electronic devices to steal.
Notorious (and nearsighted) ruffian and master troublemaker Muscles McSnort is out causing trouble in Space City with his antics and its up to Officers Mini and Maxi to collar him. But, they'll have to do it without the help of Hairy Scary, who upon failing to frighten McSnort has lost faith in himself.
Mini and Maxi get assigned to guard a scientist's lab, and Casper, Hairy, Nerdley and Fungo follow them to keep an eye on things. When the boys arrive at the lab, all but Casper accidentally trigger a time machine and wind up in prehistoric times, and its up to the others to rescue them.
The ghosts and the angels must solve the mystery of the missing statue of the Commander.
Hairy falls head over tailsheet for Zsa Zsa Amour the stage actress after seeing her image on a poster. When Mini and Maxi get assigned to guard Zsa Zsa's dressing-room to protect her diamond tiara, Hairy begs to come along.
The Commander's niece Grace is a troublesome brat. When she sneaks aboard a stolen space vehicle, she is able to alert Casper, Hairy Scarey, and The Angels to the thieves' location.
Yogi Bear, Boo Boo, Huckleberry Hound and more Hanna-Barbera characters get lost and decide to spend Christmas by vising Casper, the friendly ghost. But soon they encounter a not-so-friendly ghost.
