Watch How I Met Your Mother Zoo or False Season 5 Episode 19 Stream Online. When you are mugged for the first time, you certainly dont want it to happen again just like Lily in the How I Met Your Mother Zoo or False Season 5 Episode 19. In this episode, When Marshall gets mugged, Lily decides she wants to get a gun for protection, so Marshall comes up with a convoluted story about the mugging to deter Lily from following through. The How I Met Your Mother Zoo or False S05E19 streams into you tv on Monday, April 12, 2010 8:00 PM-8:30 PM EST on CBS. Watch How I Met Your Mother Zoo or False Season 5 Episode 19 Stream Online.