Muriel becomes invisible when she wears a magical gem given to her by Courage, unknowingly. When she is soon captured by the government, Courage and Eustace, with the help of Dr. Vindaloo, set out to rescue her.

A gerbil doctor, pretending to sell vacuums, shrinks Muriel and Eustace, planning on using them for an experiment of his abstract products. Courage sets out to win his owners back.

The sun is about to go out, so Courage and his owners go to outer space to fix it. Meanwhile, a tiny space-dwelling creature named Vastabael Backjurius goes inside Muriel’s brain and starts making her go insane so that their mission ends up disastrous. He wants them to fail, because he along with all the […]

Di Lung, a young Chinese American inventor who is experimenting, turns Courage into a fly. Courage soon must figure out how to save the farmhouse, still in fly-form, before a giant satellite falls on it.

Katz is determined on winning the Nowhere Sweet-Stuff contest and kidnaps Muriel in order to get her secret recipe. Meanwhile, Courage must defeat Katz in a staring contest. It will take a surprising hero to come to both Courage and Muriel’s rescue and save the day.

Le Quack hypnotizes Muriel and Eustace through television so they can be transformed into slaves and steal a large amount of lottery money to bring to him.

A thunderstorm causes Courage’s computer to come to life. It downloads itself into Muriel’s body to prove how daring and death-defying it can be.

Dr. Vindaloo is bribed into telling Growth Industries that Muriel has a rare blood type, ABXYZ. Courage must rescue Muriel from the Growth Industry and Eustace’s mother, Ma.

Courage and his owners are suckered into a free cruise, only to be tricked into assisting the captain in capturing an opera-loving sea serpent named Carmen.

Courage finds the bones of a giant kangaroo monster. When Eustace attempts to auction them to discoverers, he ends up twisting his spine. Dr. Vindaloo does a disc-transplant on Eustace, causing him to turn into a kangaroo monster himself.

An alien brain steals Muriel’s kindness for its master and Courage has to get it back or she will stay grumpy forever.

Courage and Muriel fantasize that they were in the Old West, with Courage playing the sheriff, Muriel as the bartender, and Eustace as the outlaw.

Eustace accidentally hits a human-sized boll weevil named Jeeves with his truck, and Muriel invites him to spend the night. Unfortunately, Jeeves soon begins sucking Eustace and Muriel’s lives away.

Muriel and Eustace’s marriage is tested when they are manipulated into turning against each other by a crafty phantom and an unlikely accomplice, Eustace’s mother.

The spirit of the harvest moon appears one night, demanding that Courage and his owners leave since Eustace cannot seem to grow anything on their land.

A sand whale arrives at the farmhouse. He mistakes Eustace for his deceased father, Ickett, and demands on giving back his accordion he swindled from him. Eustace tries to explain that his mother, Ma, has it but the sand whale does not believe him. After chasing Courage and his owners, wrecking the farmhouse in the […]

“The Tower of Dr. Zalost” is about an extremely depressed and generally misunderstood professor, who is incapable of dealing with the sorrowful condition by himself. Overcome by his jealousy of others’s happiness, he lashes out at Nowhere, firing unhappy cannonballs out of his walking tower and plummets the entire town into a state of depression. […]

A pair of married criminals are on the run and they camp next to the farmhouse, with one of them eventually assuming Muriel’s identity, which leads to Muriel being framed and arrested. Courage must clear Muriel’s name.

Di Lung feels that Courage isn’t a good enough dog and eventually builds a mechanical version of him as a replacement. Courage decides to stop him by a fight.

Courage and his owners go to a campsite for the weekend. Muriel is soon kidnapped by two orphaned lonely raccoons and Courage must save her as well as the raccoons who are trying not to be captured by Eustace, who wants to get a $50,000 reward.

While spring cleaning, Shirley finds a mystic Velvet Vic record. When she throws it out, Eustace finds it. But when he listens to it, the actual Velvet Vic comes out of the player and traps Muriel in the record. Courage must get help from Shirley who can tell him how to get Muriel out of […]

A storm goddess mistakes Courage for her own dog Duncan and decides to take him, making Muriel furious. However, the goddess’s rage causes violent storms to occur. Courage must find Duncan before it is too late.

Muriel develops insomnia after the Sandman steals her sleep. After several failed attempts to get Muriel back to sleep, Courage must find the Sandman in order to get her sleep back.

The computer develops a virus and it traps Muriel inside. Courage must go into the computer world to bring her back.

While Courage and his owners are on holiday in Norway, three Valkyries mistake Muriel as their sister and carry her off into the sky where they will fight against the trolls on the next day. Courage sets out to win Muriel back.

While on a tropical island, Courage and Muriel discover an underwater city made of coral. There, they befriend the citizens. Meanwhile, Eustace informs his mother that there are small creatures living in the coral. She decides that the coral there can make fine wigs, and sets off to destroy the coral city and evict the […]

A strange elderly man named Conway moves in with Courage and his owners. He changes their lives when he assists them to live in a life of filth, causing a potential bio-hazard.

Displeased by Eustace, Muriel takes Courage with her and they go on a submarine vacation. They do not realize that it is being run by one of their old enemies, Katz.

When a strange pink curtain is going through Nowhere making the citizens cruel and mean, Courage finds out that all of this is caused by Professor Mean, who is also cruel and unhappy, and wants everyone else to be cruel and unhappy too.

Bullfrogs, who have had all the water in their pond dried up, start to invade the farmhouse for water. There, they enslave Courage and his owners, forcing them to act like frogs.

Two alien teddy bears blast the citizens out of sight when they are looking for a giant worm. Courage discovers the worm outside of the farmhouse, and it reacts whenever he plays a tuba. The space bears come to the scene, and reveal that the little worm is actually a space worm owned by an […]

While Courage and his owners are visiting the Louvre, Muriel is convinced that the Mona Lisa looks just like her, and they are like sisters. After the guard is convinced that it looks nothing like Muriel, he locks the museum, expecting everyone to be out. Little does he know that Courage and his owners are […]