The ears of the people of Camelot are at the mercy of Princess Guinevere's terrible drumming. King Arthur visits her and offers to buy her lessons, however she's not convinced she needs any. Knowing he'd do literally anything for her she manages to turn it around and Arthur gets tricked, or duped as he prefers to call it, into getting her a Branch from the Singing Oak Tree. In the meantime Merlin is at war with a couple of squirrels, leaving Arthur to accomplish this quest on his own. It's not easy though, as the Oak Tree is being protected by Robin Hood and his merry men and women, who are having problems of their own.
King Arthur and Merlin set sail for Dolphin Rock in the Scottish waters near Kirkwall to collect Guinevere's latest desire - the Yodelling Dolphin. King Arthur's problems have only just begun when he discovers that hearing the Dolphin's yodel causes one to dance to death.
Arthur visits Guinevere, requesting her hand in marriage, once again. She then makes an excuse that he must ask her Father's permission if he wishes to marry her. But then somehow manipulates Arthur into getting The Parchment Of Arusella for her, so she can give it to her Father on Father's Day.
After escaping from Robin Hood and his merry gang, King Arthur visits Guinevere so he can take cover from Robin. However she tries to send him on another quest, this time she wants him to turn her slipper into gold.
Arthur's loyal magician, Merlin, has discovered a potion which makes the person you give it to fall head-over-heels in love with you. Arthur plans to catapult the potion at Guinevere so she'll finally marry him, but he accidentally hits her chaperon, Petal.
King Arthur, Merlin and Splag arrive at a French chateau on their way to steal the fabled 'Rose en Verre', a radiantly beautiful stained glass window installed in a remote Chateau in the heart of France.
Princess Guinevere has ordered an expensive, stylish table from Norway and Arthur has to go and collect it for her. As usual he visits his trusted friend Merlin for advice, and Merlin ends up going on the expedition. However they have to keep it a secret that the King is leaving in case anybody attempts to take over the throne during his absence.
King Arthur decides to invade Scotland when he discovers Princess Guinevere has been taken to Hadrian's castle. Unfortunately, the King's armies are sent in the wrong direction.
Arthur is alerted to screams of Guinevere, Arthur goes to see what is troubling her. Through her tears she tells Arthur that she has plucked a grey hair from her head and worries that she is getting old and tells him to do something. Arthur quickly seeks advice from Merlin who speaks of the fabled Fountain of Youth.
Guinevere needs a temporary chaperone and King Arthur and Merlin travel to Baden-Baden to fetch Petal's cousin, Tatiana, a trapeze artist at Countess Griselda's International Circus
Princess Guinevere wants a pet and decides that the tiny Golden Bear of Tundoor would fit her lifestyle perfectly. But the eerie forest of Tundoor is home to the wicked sorceress Morgan Le Fay who becomes somewhat annoyed when King Arthur inadvertently destroys her cottage.
The 'Peacocks of Penzance' are regarded by many as myth. However, that doesn't deter Arthur from seeking a quill from one so that he can write to Guinevere's cousin.
Guinevere demands an ice palace, however not just any ice palace. So Arthur travels to Switzerland via high mountains, avalanches, cracking river ice, an abominable Snowman and running afoul of William Tell.
Princess Guinevere's greatest desire is to fly and King Arthur provides her with the first medieval hot air Balloon. The balloon sails across the sky until Robin Hood accidentally shoots it down over the foreboding Forest of Dark Forces. King Arthur and Robin Hood will have to sneak past the dreaded Purple Knights, survive the terrors of the Dark Forces and defeat the Screaming Salisbury Stag to rescue the fair Princess from certain doom.
Moon rocks are all the rage and King Arthur is convinced he has traveled to the moon via a one-way rocket. While Sir Launcelot and Sir Martyn struggle to share the throne in the King's absence, Arthur, Merlin and Splag are captured by the fierce 'moon people' and do battle with the gigantic rock giant, Ritho, in order to bring Princess Guinevere a moon rock all the way from - North Wales.
Merlin's magic goes astray and King Arthur switches bodies with the fair Princess Guinevere. Riding side-saddle and constrained by a corset, the King must find the fabled Slamming Book that contains the reversal spell, all without breaking any of Guinevere's nails.
All Princess Guinevere wants is an orange. However King Arthur must enter the Camelot Horse Show, travel across Spain, participate in the first 'running of bulls' in Pamplona and, single handedly battle the Giant Two Headed Fire Breathing Orange Eating Bull of Valencia.
Guinevere has traveled to Paris to have a dress designed by the famous but neurotic Antoine de la Poulet. Insisting on the very best material, King Arthur is dispatched to a tropical jungle to retrieve the rare blood-sucking silk worms of Rangoon. Meanwhile, the French peasants are having one of their many revolutions and, on his return with the worms, the King discovers that Guinevere has been taken to the infamous tower prison known as the Pastille.
Princess Guinevere pines for a sea view, King Arthur and Merlin seek out King Canute for advice. They catapult the famous 'round table' into the sea to block the Penzance Plug Hole. The sea rises and keeps rising until Guinevere's tower is in danger of being engulfed.
Princess Guinevere wants to choose a husband wisely and King Arthur volunteers to travel to Ireland and bring back the legendary Salmon of Knowledge. His efforts are hampered by Robin Hood and his Merry Band, numerous Leprechauns and two Merlin clones.
When Princess Guinevere wants a firework display, King Arthur and Merlin rush to a remote mountain top in the Himalayas where The Fire Dragon, an old school chum of Merlin's, makes the best fireworks in the known world.
Merlin has devised a magic spell that allows King Arthur to read his beloved's mind. Awed by his anticipation of her every whim, Princess Guinevere sends him to get the thing she desires most. Unfortunately her mind keeps changing.
Princess Guinevere worries that her nostrils might be slightly imperfect and King Arthur and Merlin travel to a Wizard's retreat to retrieve a magic mirror known as 'The Bride's Reflection'. But Arthur accidentally uncovers 'The Black Heart of Doom' - a mirror which releases an evil Merlin bent on destroying Arthur.
Princess Guinevere decides to accept the King's proposal of marriage - provided he proposes on one knee on her tower balcony. But Petal thwarts Arthur's every effort to climb up there. Merlin suggest a magical rope trick, known only by a reclusive Hermit in the Mid-lands. Note: Through half of this episode, the narrator is on holiday and is relieved by a woman. The man returns at the castle bit when King Arthur stops half of the ending in which the female narrator interrupted his proposal with Guinvere saying that he wants the real narrator (calling him a "shanty bloke") to come back and retake the woman's job.
Princess Guinevere wishes to bathe in fresh donkey's milk, so once again Arthur finds himself in Spain transporting an ill-tempered donkey through the countryside. Here he meets the legendary Don Quixote, helps him battle a windmill, a lion and some rather disgusting tacos.
Believing that her Father has offered her hand in marriage to the winner of the Annual Camelot Tournament, Princess Guinevere begs Arthur to enter and win as, given the choices, she'd rather marry him. Merlin convinces Sir Margaret to train Arthur in the martial arts and after a series of painful mishaps declares him as ready as he'll ever be. With some help from Merlin's magic, Arthur defeats Sir Martyn in hand to hand combat, Robin Hood and William Tell in the archery contest and Sir Launcelot and Sir Margaret in the joust. Guinevere's father awards the King his most prized possession - a champion Hereford Bull.