Corrected entry: Often while traveling through space, we can see the stars in the background moving (as if the Futurama cast were in a car and the stars were street signs). This would not happen in reality, unless one was traveling relativistic speeds (even then, the motion of the stars would look very different). Instead, the stars should be still (the sun doesn't appear to move when you're out walking).
Corrected entry: According to David Cohen, Mom's third son Igner (the rather dumb one) is the illegitimate son of Prof. Farnsworth (which explains the character's hair). While it has been shown that Mom and the Prof. had a relationship across a few episodes, there was not enough time in the series before cancellation to reveal this particular result of that relationship.
Corrected entry: Bender doesn't have a sense of taste. This is mentioned a lot. However, it creates a few problems. Firstly, in 'A Fishful of Dollars,' he eats the anchovies and finds them disgusting. Secondly, he says in 'The Sting' that after Fry is dead no one will make waffles just how he likes them. And thirdly, he says how good Elzar's robot food tastes in 'Bender gets Made.'rabid anarchist
Corrected entry: If you add up Bender's "metallic constituents" throughout the entire show, it comes to something like 200%, which of course is impossible. He claims at various points that he is 40% titanium, 40% zinc, 40% "dolomite", 30% iron, and there are several others. Naturally, if you add these together it comes to more than 100% which cannot be the case.David Mercier