i think it was on 'Brainiac'. it presented 'thing Jhon tickel's (that's a guy on the show) can't do' . and he couldn't lick his elbow. a few shows later , some fans sent pics of them licking their elbow. yes that is true, not everybody can do that (i surely can't )
I kinda like the narrator's joke. Really hilarious. I love the Pirate episode. It's funny to see them all dress in pirate clothes and say "ya matey" and "ya scurvy dogs" all the time LOL.
Have you seen the Superheroes episode? They take turn changing clothes in a phone booth like Superman did. And it is plausible (I remember so LOL). It's kinda strange that all of Batman's trick is busted.