I'm enjoying this thread even though I've never seen a single episode of this Gilligan's Island of which you speak.
Regarding the cartoons, wasn't Top Cat just a rip-off of Sergant Bilko?
Also, by my understanding of scientific method, it'd be impossible to prove the negative - ie that picking up radio in your fillings was impossible. How would you start to prove that?
You can't just say - I've got fillings and I don't hear Casey Casem in my head, therefore its impossible to pick up radio in your teeth!
If there's a one in a million chance of it happening, your test cohort would have to include a million people. Not many test groups are that large, and I don't think Mythbusters have that big a budget.
Their budget usually only stretches to the cost of a kilo of TNT and a hammer.
I once read somewhere that Wonder Woman's appearance on The Brady Kids was her first appearance in animation.
Don't Bug the Mosquitoes