Season 3

45 (1)
Wait for It
September 24, 2007

When Robin shows up with a new boyfriend Gael (Enrique Iglesias), Ted decides he is ready to hit the town with Barney. He meets Amy, (Mandy Moore), a tattooed party girl with whom he hooks up. Ted wakes up the next morning with a butterfly tattoo--a "tramp stamp"--on his lower back. Marshall also calls Barney and shows him he has 55 days until his next slap.

46 (2)
We're Not From Here
October 1, 2007

After seeing that Gael attracts girls because he is from Argentina, Barney and Ted pose as out-of-towners in order to meet New York City women. Their plan is a bust, and they eventually discover their dates are from New Jersey.

47 (3)
Third Wheel
October 8, 2007

Ted bumps into Trudy (the girl who snuck out Ted's bedroom window in "The Pineapple Incident"). While on a date with her, her sorority sister Rachel shows up and acts very interested in Ted. He tries to orchestrate a threesome ("tricycle"), but never reveals if it actually happened.

48 (4)
Little Boys

October 15, 2007

When Robin surprisingly forms a bond with the young son of the man she is dating, she decides it is too serious and must figure out a way to end her relationship and her friendship with the son.

49 (5)
How I Met Everyone Else
October 22, 2007

Ted introduces a new girlfriend whom he met over World of War craft. She becomes jealous because the story of how they met is worse than the stories of how their friends met, and she becomes progressively less stable. Barney describes his "crazy scale" and how she ranks.

50 (6)
I'm Not That Guy
October 29, 2007

Jeff Coatsworth (John Cho) courts Marshall into joining his "evil" corporate law firm in exchange for an enormous salary and great benefits. Lily reveals her deep credit card debt to Robin, but is too ashamed to tell Marshall to abandon his dream job in favor of a job that will help their financial woes. Marshall accepts Coatsworth's offer when he discovers he will only be protecting a local theme park.

51 (7)
Dowisetrepla
November 5, 2007

Lily and Marshall make a rash of irresponsible decisions when buying an apartment in the "Dowisetrepla" neighborhood. Lily's credit card debt forces them to take a loan at 18%, and after buying the apartment, they realize "Dowisetrepla" stands for "Down wind of the sewage treatment plant."

52 (8)
Spoiler Alert
November 12, 2007

Ted finds what he thinks is the perfect woman, but his friends all find a flaw that once noticed cannot go unnoticed. In doing so, however, they irreversibly reveal each others' shortcomings.

53 (9)
Slapsgiving
November 19, 2007

As Lily and Marshall host their first Thanksgiving as a married couple, Barney is tortured by the tick-tock of the Slap Bet countdown clock and the certainty of the exact moment the slap is going to be delivered. Meanwhile, Ted and Robin try to settle their feelings for each other when she brings an older suitor to Thanksgiving with her. Marshall delivers his third slap.

54 (10)
The Yips
November 26, 2007

After everyone joins a gym, Barney sees Rhonda (the woman who took his virginity) there. After learning that his performance with her was poor, he loses his ability to approach women. After his attempts at a Victoria's Secret Fashion Show party go awry, Barney has sex with Rhonda again, and she claims it was the best she ever had. Model cameos include Heidi Klum, Marisa Miller, Miranda Kerr, Adriana Lima, Selita Ebanks, and Alessandra Ambrosio. Wayne Brady also guest stars.

55 (11)
The Platinum Rule
December 10, 2007

Ted asks the dermatologist removing his tattoo to go on a date and his friends try to discourage him from going out with someone he sees regularly--the "Platinum Rule"--recalling their own horror stories of bad experiences. (Robin dated a coworker, Barney dated Wendy the waitress, and Marshall and Lily double-dated with their neighbors). Ted's date is a bust anyway as the doctor says it's illegal to date patients.

56 (12)
No Tomorrow
March 17, 2008

Ted and Barney go out in the town to celebrate St. Patrick's Day as if there is no tomorrow, where Ted is seemingly rewarded for every bad behavior. Meanwhile, Lily and Marshall discover a major flaw with their new apartment, the floor is slanted. Robin helps them invent "roller luge". Ted finds a yellow umbrella that may be "Mother's".

57 (13)
Ten Sessions
March 24, 2008

When Ted goes to see a dermatologist named Stella (Sarah Chalke) to have his tattoo removed and instantly falls for her. She's not interested, however, and so Ted sets out to change her mind before the ten sessions are up. Abby (Britney Spears), Stella's secretary, has a crush on Ted.

58 (14)
The Bracket
March 31, 2008

(a.k.a. 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.

59 (15)
The Chain of Screaming
April 14, 2008

When Marshall is verbally berated by his boss, he questions whether the decision to work for a big law firm was the best career move. (Bob Odenkirk as Marshall's boss)

60 (16)
Sandcastles In The Sand
April 21, 2008

Robin's old boyfriend, Simon, from another of her teenage pop videos comes to town (James Van Der Beek), leading to a rekindling of their former romance, and Barney being thrown into a frenzy to find the second video in question, which also features Alan Thicke and Tiffany. Ted, Lily, and Marshall ponder their former personalities being brought back in the presence of old friends. When Robin is dumped by Simon again, Robin feels vulnerable leading her and Barney to sleep together.

61 (17)
The Goat
April 28, 2008

Guilt-ridden, Barney breaks the "Bro Code" by sleeping with Robin, and he ruins his friendship with Ted. Meanwhile, Lily decides to rescue a goat while the gang plans Ted's surprise party. In the end, future Ted realizes that he is confusing his 30th and 31st birthdays, that Barney's betrayal occurs before his 30th, while the goat incident — during which Robin will live in the apartment currently shared by Ted, Lily, and Marshall — will occur on his 31st.

62 (18)
Rebound Bro
May 5, 2008

When Ted breaks Stella's (Sarah Chalke) trust by telling the gang that she hasn't been intimate in five years, he must face the consequences of derailing the relationship. Meanwhile, since his split with Ted, Barney searches for a replacement Bro, finally settling reluctantly on his hapless co-worker (Will Forte).

63 (19)
Everything Must Go
May 12, 2008

Lily and Marshall attempt to raise money to fix their apartment floor by selling Lily's designer clothes. Lily also discovers a hidden use for her art. When Abby (Britney Spears) is revealed to be Barney's relationship saboteur, they join forces in their mutual hatred of Ted.

64 (20)
Miracles
May 19, 2008

After rashly breaking up with Stella (Sarah Chalke), Ted is involved in a car accident. He re-evaluates his life and relationship with Stella, who didn't realize she had been dumped. Surrounded by Marshall, Lily, and Robin, Stella then dumps him. Meanwhile, Barney rushes to the hospital but is hit by a bus, seriously injuring him and leading to Ted and Barney's reconciliation. He then realizes he is in love with Robin. Ted proposes to Stella after meeting in a Chuck E. Cheese-like funhouse.