Just watched the last half of Jeremy Brett's interpretation of the 'Reichenbach Falls' story and it strikes me as interesting that the final showdown between the greatest criminal and detective minds ends in a bout of fisticuffs.

'scrap, scrap, scrap!' chanted Watson

Did Conan Doyle run out of clever ideas, or was he just a bit tired and wanted to get it over with and go to bed?

Does it show us that despite our modern intellect, we're all still animals deep down inside?

Or is it that no matter how old or successful they are, all men are little boys at heart?

Discuss.