The Platinum Rule
Show: How I Met Your Mother --> Season: 3 - Season 3
AirDate: 12/10/2007
Runtime: 21
Voting: 7.9 (31)

Overview: Ted's upcoming date with his doctor leads the gang to give him their own examples of why dating someone you already see regularly is a bad idea.
Kristen Schaal
Laura
John Sloan
Michael
Hayes MacArthur
Curt
Charlene Amoia
Wendy