Season 6 Episode 12 episode 12

How I Met Your Mother Season 6 Episode 12 "False Positive" Guide & Photos

Check out episode guide and photos from How I Met Your Mother season 6 episode 12 titled “False Positive” which airs on Monday December 13 at 8pm on CBS.

When Marshall and Lily receive shocking news, it has a profound effect on the gang and forces them to reexamine their own lives. Meanwhile, Robin gets a new job, Barney discovers the joy of giving on Christmas and Ted begins his duties as Best Man for his old friend Punchy’s wedding.