Ted is in a car accident that prompts Marshall to talk about miracles. Everyone flashbacks to prior moments in their lives.
Everything Must Go
As their expenses continue to mount, Marshall and Lily decide to sell some of their possessions online. Barney and Abby (guest star Britney Spears) go to the bar to flaunt their relationship in Ted's face. Barney attempts to anger Ted in many other ways a
Barney looks for a new bro after Ted leaves him. Ted and his girlfriend look forward to having sex for the first time together.
When a guilt-ridden Barney breaks the Bro Code, he struggles with the ramifications of his misstep.
Sandcastles in the Sand
Robin's musical past emerges again as the group learns of someone named Simon from Robin's past. Barney searches frantically for more Robin Sparkles memorabilia.
The Chain of Screaming
Marshall gets fed up at his job and everyone tells him different ways of dealing with it.
The Bracket (The Final Four)
When Barney's love life is sabotaged by a mystery woman, he turns to tournament bracketology to narrow down the field of 64 women with the most cause to hate his guts.
Ted pursues a woman named Stella, but only gets attention from her receptionist Abby.
Its St. Patrick's Day and Ted and Barney go to a party. With a weird theory that karma has been reversed, Ted does some things he is not proud of.
The Platinum Rule
Ted asks his doctor on a date and his friends try to discourage him from going out with someone he sees regularly recalling their own horror stories of bad experiences.