带着敲椰子壳的仆人，亚瑟王（格雷厄姆·查普曼 Graham Chapman 饰）假装骑着马寻找骑士和城堡，一路看尽民不聊生的景象，和各种鸡同鸭讲的民众交流，最后招揽到一群圆桌骑士。他们一起假装骑着马，到了卡米洛特城堡，在城堡外，他们遇见天上浮现的上帝，要求他们去寻找圣杯。他们试图用“木獾记”攻陷一座法国人的城堡，但是却忘记藏身在木獾里，最终被法国人打得落花流水。经历失败的亚瑟王与骑士们开始分头行动，寻找圣杯的任务意义重大，更多不靠谱的人和事一路等待这群不靠谱的骑士们……本片是唯一一部进入IMDB前50排名的“无厘头”电影。片中“巨蟒团”六名核心成员每人出演了4-10个角色，包揽片中大部分角色。
影片根据故事《高文爵士与绿衣骑士》改编，讲述亚瑟王在自己的宫廷里举行宴会。一位绿衣骑士前来向圆桌骑士挑战：有谁敢当场砍下他的头，并让他一年后回敬一斧。高文接受挑战，砍下了绿衣骑士的头。那具依然活着的躯体捡起头颅，回到绿色的教堂。一年以后，高文践约去寻找绿衣骑士。
圆桌武士兰思洛一次在森林中意外营救了亚瑟王的未婚妻Guinevere，两人虽一见钟情，但碍于Guinevere早已是亚瑟王的未婚妻，所以只好无奈地将他婉拒。后来亚瑟王揭发了他们两人的恋情，在痛心之余，亚瑟王决定要公审他们，不过此时亚瑟王却受到敌人的大举入侵，全国人民束手无策，兰思洛见势立刻拔刀相助，拯救亚瑟王于危难中。
Elaine "Ellie" Harrison has just moved from Minnesota to Annapolis, Maryland while her parents take a year-long sabbatical to continue their medieval studies in nearby Washington D.C. Her new high school, Avalon High, seems like a typical high school with the stereotypical students: Lance the jock, Jennifer the cheerleader, Marco, the bad boy/desperado, and Will, the senior class president, quarterback, and all around good guy. But not everyone at Avalon High is who they appear to be, not even Ellie herself. Eventually, it becomes apparent that Avalon High is a situation where the ancient Arthurian legend is repeating itself.
一千年前的布列颠群岛上，当时王刚登基为王。当邪恶的罗勃和他残暴的助手格利分抢走亚瑟王的石中剑亚瑟王的石中剑石中剑掉在一座浓密可怕的魔法森林；凯莉是一个好胜心强的女孩，她硬著头皮闯进去……
A young Viking prince strives to become a knight in King Arthur's Court and restore his exiled father to his rightful throne.
卡尔文是一个聪敏而讨人喜欢的孩子。一天，在瑞西德举办的少年棒球赛中，卡尔文从脚下裂开的地缝里穿越时空的隧道来到了中世纪的凯摩洛德王朝。原来，凯摩洛德的亚塞国王失去了往日的神威，作恶多端的贝拉斯克勋爵对王位蓄谋已久，是摩林神灵把卡尔文作为骑士带到这里拯救凯摩洛德的。 卡尔文的到来被贝拉斯克勋爵视为他夺取王位的障碍，在几次除掉卡尔文没能得逞后，贝拉斯克勋爵派人绑架了对卡尔文逐渐产生好感的二公主凯瑟，并以此胁迫亚瑟国王把公主萨拉嫁给他。王宫里的凯恩武士是萨拉公主的意中人，她希望在王宫的大比武中选拔出能真正继承王位的夫君。 经历这场劫难后，亚瑟王不仅看清了贝拉斯克勋爵的丑恶嘴脸，而且还恢复了往日的神威，他同意了萨拉公主比武招亲的请求。比武开始了，凯恩负伤后，卡尔文在代他披挂出征中战胜了贝拉斯克勋爵。完成了拯救凯摩洛德的使命后，在摩林神灵的帮助下卡尔文又回到了棒球赛场。
私生子莫德雷德谋夺王位的阴谋以及吉娜维尔对兰斯洛特爵士的日益依恋，威胁着亚瑟国王的统治，并可能摧毁他的“圆桌骑士团”。
讲述亚瑟王在结束与罗马帝国的战争、返回家园后，发现王位被自己的侄子窃取，为了夺回王位，他被迫向巫师梅林和圣杯骑士团寻求帮助。
A NASA spacecraft proves Einstein right when, traveling faster than light, it ends up near King Arthur's Camelot. On board are big-hearted Tom Trimble and Hermes, the look-alike robot he built. Tom immediately makes friends with pretty Alisande while becoming enemies with the evil knight Sir Mordred. It seems Mordred has joined up with the Sorcerer Merlin and they are both up to no good. It is now up to Tom to try and use 20th century technology to foil their plans.
故事发生在寻找圣杯的最后几天，当亚瑟王的武士们策马穿过一片充满黑暗、险象环生的丛林，一无所获回到卡默洛特（亚瑟王的宫殿）后，他们的队伍被解散，士气顿失。在他们中间，一位名为兰斯洛特的武士，对此次失败感到深深自责。他认为正是他和格温娜维尔皇后的偷情摧毁了这次神圣的使命。失败的阴影笼罩着一切，辉煌华丽的宫廷呈现出一个即将结束的年代的衰败气象。
An Arthurian legend of young Prince Valiant, son of the King of Scandia. After the King is exiled by an evil leader, the Prince travels to Camelot to secure the aid of King Arthur in helping restore his family to power and prevent a plot by the Black Knight.
In Camelot, kingdom of Arthur and Merlin, Lancelot is well known for his courage and honor. But one day he must quit Camelot and the Queen Guinevere's love, leaving the Round Table without protection.
A bump on the head sends Hank Martin, 1912 mechanic, to Arthurian Britain, 528 A.D., where he is befriended by Sir Sagramore le Desirous and gains power by judicious use of technology. He and Alisande, the King's niece, fall in love at first sight, which draws unwelcome attention from her fiancée Sir Lancelot; but worse trouble befalls when Hank meddles in the kingdom's politics.
这是一部非常风格化的作品，主角是一名年轻的威尔士骑士，他来到一处神秘的古堡，在那里他见到了圣杯的幻像，但他自己却没有意识到；次日清晨，古堡人去楼空，骑士继续出行，当他猛然醒悟到自己看到了圣杯再回去时，古堡已经消失，于是他只能继续他的圣杯寻访之旅。影片完全在摄影棚内拍摄，布景故意做得很“假”，而且台词和动作多有重复，颇有一点曲艺的效果。
Classic tale of King Arthur and how his wife is kidnapped by his evil sister. Lancelot is sent out to try and retrieve the lost queen and unfortunately falls in love with her. Forbidden love, revenge, family rivalry, and magic are all prominent themes.
Shot live from the Winter Garden Theatre in New York City, this presentation of the 1980 Broadway revival of the beloved Lerner & Loewe classic follows King Arthur, who founds the kingdom of Camelot and the Knights of the Round Table. Their goal: fight for justice and right, but Arthur only sees his ideal crumble when his wife Guenevere falls in love with his favorite knight, Sir Lancelot.
John, a blacksmith and swordsmith, is tutored at Camelot. As a commoner, he can't hope to win the hand of Lady Linet, daughter of the Earl of Yeoniland, so he creates a secret alternate identity as the Black Knight. In this new role, he is now able to help King Arthur when Saracens and Cornish men—disguised as Vikings -- plot to take over the country.
Venture back through the mists of time to the glorious lost age of the fabled King Arthur, the sorcerer Merlin and the valiant Knights of the Round Table, as you enter into the magical and timeless realm of Camelot!
亚瑟国王死后，卡米洛特陷入了黑暗之中。现在，他残忍的魔女姐姐摩根亚的统治开始了。她指挥着三条致命的龙，追捕剩下的圆桌骑士。