We're with Neil Patrick Harris, Cobie Smulders and Josh Radnor on the set of How I Met Your Mother to get the skinny on the eighth season premiere episode € and what they think about how this could possibly be the final season of the CBS hit! Video: Neil Patrick Harris Mimics LL Cool J 'We're such a family,' Neil tells ET. 'It's a remarkably happy environment, so if the season ends at eight, it would be hard to find a future job that equaled this one in pure happiness, I think.' Josh adds, 'The
