Revealing mistake: In the arrow contest, as Robin was about to be assassinated, Blinkin grabs the arrow. If you look closely, as his arm reaches out, you see that Blinkin already has the arrow in his hand.
Revealing mistake: When Blinkin falls out of the look-out post and crashes into the large tree, you can see it wobble.
Chosen answer: The scene is an homage to the late, great comedy team, Abbott and Costello. Bud Abbott was the straight man and Lou Costello was the goofy laugh-getter. Part of their act was Costello getting frustrated trying to understand Abbott and yelling "hey Abbott" at him.
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