Watch How I Met Your Mother Perfect Week Season 5 Episode 14 Online Stream. When you out for something that is really quite an achievement, you got to do what you got to do. But what if something went wrong? The new episode for the How I Met Your Mother series is also related to this plot. The episode is the How I Met Your Mother Perfect Week Season 5 Episode 14. In this episode, Barney aims to achieve the perfect week: seven days, seven women, but a sudden accident changes his way of life. Robin meets someone special from Canada. The How I Met Your Mother Perfect Week S05E14 will be aired on Monday, February 01, 2010 8:00 PM-8:30 PM EST on CBS. Can you do the same what Barney does? Watch How I Met Your Mother Perfect Week Season 5 Episode 14 Online Stream.