Well, maybe not, but I'm honestly hard-pressed to think of a worse one. I was under the impression that What the Bleep Do We Know? was a documentary about quantum physics, and was expecting good things. Oh no. It's a crackpotmentary, a mumbojumbomentary. New Age crap. Incredibly stupid. Wikipedia elaborates.

Jaimee and I only made it about twenty minutes. When the narrator asserted that the Native Americans on Hispaniola literally couldn't see Columbus's boats approach (because they supposedly had no frame of reference for what a boat was, nevermind the question of how they got to Hispanola in the first place) until a shaman noticed the ripples on the water, at which time he reasoned out that something like boats must exist and then he could suddenly see them, and then he explained what a boat was to the other people on the island, at which time they could see them too...that's when we turned it off.

"You're talking shit! Explain yourself!" --Ricky Gervais, "The Ricky Gervais Show"