How I Met Your Mother Season 9 Episode 17: Sunrise
5 second plot: Barney teaches two guys how to 'live'. Marshall continues 'the' fight with two imaginary ghost-Lilys. And Ted lets Robin go. Finally. How many hours is it until the wedding? 13? Get some sleep will ya.
5 second review: Barney's adventure is fun stuff. But Marshall and Ted's isn't. Stop wining already.