Absolutely hilarious!

The concept of aliens visiting earth in a past time period is an intriguing one, and I'm surprised there aren't more films that explore it. This one starts out OK, with Klaus Kinski as the court alchemist who thinks the alien is an angel come to reveal divine secrets to him, but devolves into cheese and camp comedy pretty rapidly. Watching Harvey Keitel attacking a spaceship with his mace or mangling lines like "Happy beats mine heart when thou do I see" with his Brooklyn accent is priceless.

The most ridiculous plot ever, enhanced with terribly misplaced accents, cheesy dialogue, and insanely contrasting characters. Basically, it's an awesome collage of hilarious medieval sci-fi fun; the Green Knight is the coolest character ever. P.S: There's a scene where people are held in church at spear point, lol.