Is there a no-print option/javascript/trigger option in Storyline?

Phil is correct that there are ways around it... but you make it harder for folks with a bit of CSS. 

Basically we want to create a special style for print media. In our case we want to hide the whole body of the page. 

I will warn that I didnt test this yet.. but I believe it should do it for you. Add this into the head area of the story.html file 

@media print { body { display:none } }