False Positive (How I Met Your Mother)
| "False Positive" | |
|---|---|
| How I Met Your Mother episode | |
| Episode no. | Season 6 Episode 12 |
| Directed by | Pamela Fryman |
| Written by |
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| Production code | 6ALH12 |
| Original air date | December 13, 2010 |
| Guest appearances | |
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"False Positive" is the 12th episode of the sixth season of the CBS sitcom How I Met Your Mother, and the 124th episode overall. It aired on December 13, 2010. It features guest star Alex Trebek.