Fox Mulder's Answer:
You saw it cross the road with your own eyes. How many more chickens have to cross the road before you believe it?

Scully's Answer:
It was a simple bio-mechanical reflex that is commonly found in chickens.

Bill Clinton's Answer:
I did not cross the road with THAT chicken. What do you mean by chicken? Could you define chicken, please?

Chuck Norris' Answer:
Because I threw it.

Jack Bauer's Answer:
Give me ten minutes with the chicken and I'll find out.

Charles Darwin's Answer:
Chickens, over great periods of time, have been naturally selected in such a way that they are now genetically disposed to cross roads.

Jack Nicholson's Answer:
You WANT that chicken on the road. You NEED that chicken on the road. You're just too much of a chicken to be on that road YOURSELF!

Dr. Seuss' Answer:
Did the chicken cross the road?
Did he cross it with a toad?
Yes, the chicken crossed the road,
But why it crossed, I've not been told!

More funny answers here.