6x12 False Positive
First Aired: Dec. 13, 2010 on CBS
Summary: Lily and Marshall receive shocking news that has a profound impact on the gang; Ted begins his duties as best man for an old friend's wedding.
Main Characters in this Episode
Ted Mosby: You better check yourself before you Trebek yourself.
Robin Scherbatsky: The first Currency rotation Specialist went on to be a semifinalist on The Bachelor and then she lost like a hundred pounds on The Biggest Loser and now she's totally winning Celebrity Rehab.