Watch How I Met Your Mother Season 2 Episode 5 ‘World’s Greatest Couple’ online for free in full streaming video.

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How I Met Your Mother S02E05 – World’s Greatest Couple (Megavideo)

Plot: Marshall tries to get used to being single in a world that is very coupled-oriented. Barney intended one-night-stand won’t go away. Barney uses Lily to get out of his “horrifying” situation. Lily finds a place to stay.