You guys should watch Time Bandits. Balkan, you might have been too young when you watched the first time. It's hysterical in a weird and twisted way. If you like The Holy Grail, you will like this.
It has John Cleese, Terry Gilliam & Michael Pallin (all from Monty Python) even Sean Connery is in it. The music for the film was done by the late George Harrison of the Beatles, who was also executive producer.
One of my favorite scenes is where the Evil Genius (the devil) is telling his minions how much better he would have done at creating the world. Part of it is below, of course unless you hear the actors doing this, it won't sound as funny.
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Evil Genius - When I have the map, I will be free, and the world will be different, because I have understanding.
Robert - Understanding of what, master?
Evil Genius - Digital watches. And soon I will have understanding of videocassette recorders and car telephones. And when I have understanding of them, I shall have understanding of computers. And when I have understanding of computers, I shall be the Supreme Being! God isn't interested in technology. He knows nothing of the potential of the microchip or the silicon revolution. Look how he spends his time: forty-three species of parrots! Nipples for men!
Robert - Slugs.
Evil Genius - Slugs! He created slugs! They can't hear, they can't speak, they can't operate machinery. If I were creating the world, I wouldn't mess about with butterflies and daffodils. I would've started with lasers, eight o'clock, day one.