Watch How I Met Your Mother Online
When Barney's love life is being sabotaged by a mystery woman, he sets up a tournament bracket (a la the Final Four) to determine out of 64 women which hates him the most and is most likely sabotaging.
Ted is still seeing his dermatologist Stella (Sarah Chalke) to have his butterfly tattoo removed. Ted asks her on a date but she says no due to it being unethical. Ted has ten sessions to convince her to change her mind.
Ted and Barney hit the town to celebrate St. Patrick's Day where Ted seemingly is rewarded for every bad behavior. Meanwhile, Lily and Marshall discover their apartment has even more problems... the floor is slanted.
Ted asks the dermatologist removing his butterfly tattoo on a date. The gang tries to talk Ted out of going out with someone he's going to see regularly (aka The Platinum Rule). Everyone shares their horror stories.
After everyone joins a gym, Barney sees Rhonda (the woman he lost his virginity to) there. After learning his performance with her was poor, he loses his confidence with women. He attempts to pick up models at a Victoria's Secret Fashion Show.
Lily and Marshall host their first Thanksgiving dinner as a married couple. Marshall tortures Barney with the countdown of his next slap from their previous Slap Bet.
Ted thinks he finds the perfect woman (guest star Lindsay Price), but his friends all quickly notice a flaw in her that he missed. That gang soon reveals each others' flaws as well and point them out to each other.
Marshall and Lily make a rash decision when they decide to buy an apartment in the "Dowisetrepla" neighborhood. Lily's credit card debt forces them into a ridiculously high interest (18%) mortgage.
Jeff Coatsworth (John Cho) attempts to recruit Marshall to work for his "evil" corporate law form with a big salary and great benefits. Lily reveals her credit card debt to Robin.
Ted introduces a new girl to the gang that he met on World of Warcraft. She's insecure about meeting online and makes up a story about how they met at cooking class.