The series begins in September with Ted Josh Radnor as a single, year-old architect living with his two best friends from his college years; Marshall Eriksen Jason Segel , a law student, and Lily Aldrin Alyson Hannigan , a kindergarten teacher and an aspiring artist.
Lily and Marshall have been dating for almost nine years when Marshall finally proposes. Their engagement causes Ted to think about marriage and finding his soul mate, much to the disgust of his self-appointed best friend Barney Stinson Neil Patrick Harris , whom he met in the restroom at a bar four years earlier.
Barney is a serial womanizer who concocts elaborate con games, usually involving costumes and fake identities, designed to bed women, only to lose interest in them immediately afterward. Ted begins his search for his perfect soul mate and meets an ambitious young reporter from Canada, Robin Scherbatsky Cobie Smulders , with whom he quickly falls in love. Robin, however, does not want to rush into a relationship and the two decide to be friends.
Future Ted reveals that Robin is not the mother after referring to her as " Aunt Robin". Ted begins dating a baker, Victoria Ashley Williams , whom he meets at Stuart and Claudia 's wedding, causing Robin to become jealous, and realize she does have feelings for Ted. Victoria is offered a fellowship in pastry-making, moves to Germany and she and Ted try a long-distance relationship.
Once Ted learns Robin has feelings for him, he tells her he broke up with Victoria, even though he has not. They almost have sex when Victoria calls and Robin answers, mistaking Ted's phone for her own. Ted and Victoria then break up and an angry Robin distances herself from Ted, but they eventually reconcile and decide to date. Meanwhile, Lily begins to wonder if she has missed any opportunities because of her relationship with Marshall, and decides to pursue an art fellowship in San Francisco , breaking-up with Marshall in the process.
The season ends with Ted returning to the apartment, the morning after spending the night with Robin for the first time, to find Marshall sitting in the rain with Lily's engagement ring, devastated by their sudden break-up. After enduring numerous emotional breakdowns, Marshall's friends step in, and Barney, using sly catchphrases and pick-up lines, tries to get Marshall back in the dating game. Later, Lily, after finally realizing she is not meant to be an artist, returns to New York.
They remain separated as Marshall begins to date another girl, described by the gang as having 'crazy eyes'. The date with the girl does not end well and eventually leads to Lily and Marshall becoming reunited, and their engagement eventually resumes.
When Robin refuses to go to the mall or explain why, Marshall suspects she is married, and Barney suspects she has performed in adult films. They bet on it, appointing Lily as "Slap Bet Commissioner.
He uses one slap immediately and another later in the season. It is revealed that Barney has a gay African American half-brother named James Wayne Brady and, unaware that his mother lied to him, believes that Bob Barker is his father. As a result of this he takes a trip to California to be a contestant on The Price Is Right to meet his "father".
While on the show, Barney wins all the prizes and gives them to Lily and Marshall as a 'happy early wedding' present. In the season finale, Ted reveals to Barney that he and Robin have been broken up for some time due to their conflicting views on marriage and children. They did not tell anyone, in order to avoid taking attention away from Lily and Marshall's wedding.
The season ends with Barney's excitement at the prospect of he and Ted being single guys on the town again. Barney's final words are "this is going to be legen- wait for it Marshall and Lily decide to move out on their own, falling in love with a place they cannot afford. Robin learns of Lily's bad credit rating due to her compulsive shopping for designer brands, and forces Lily to tell Marshall.
Despite this, they are able to finally secure their dream apartment, only to discover it is in a bad location and more poorly constructed than they thought the floor is tilted. Barney is slapped for the third time on Thanksgiving , which Marshall dubs " Slapsgiving.
He finds the umbrella at a club and takes it home after attending a St. Patrick's Day party where his future wife was, although they did not meet. Ted attempts to woo Stella Sarah Chalke , a dermatologist he sees to remove an embarrassing butterfly tattoo. This culminates in a memorable "two-minute date," which incorporates small talk, dinner, a movie, coffee, two cab rides, and a goodnight kiss, all within two minutes.
Robin sleeps with Barney after he comforts her following a break-up with a past Canadian love; Ted is infuriated, and decides to stop being friends with Barney. Meanwhile, an unknown woman begins to sabotage Barney's attempts to hook up. His saboteur is revealed to be Abby Britney Spears , Stella's receptionist, with a vendetta against him for not calling her after they had sex.
In the season finale, Ted gets into a car accident and ends up in hospital after breaking up with Stella. Subsequently, Barney is hit by a bus while he is on his way to visit Ted and receives treatment in the same hospital. Ted realizes Barney really cares about him and they renew their friendship. Barney's true feelings for Robin are revealed while Ted proposes to Stella in an arcade with a toy kangaroo.
Robin takes a new job in Japan , but quickly resigns and returns to New York to attend Ted's wedding, after realizing how much she misses her friends. Stella leaves Ted at the altar to get back together with Tony Jason Jones , the father of her daughter. Barney struggles with his feelings for Robin as his company shifts him to the management team of a new acquisition, Goliath National Bank GNB , where Marshall has accepted a position.
Marshall and Lily move to their new apartment and debate over whether or not they are ready to have children. Robin becomes roommates with Ted and gets a job as an anchor for a 4 AM news show after Barney submits her video resume. Ted and Robin decide to sleep together constantly so they will not fight over each other's bad co-living habits.
Barney attempts to make them stop fighting to prevent this, revealing to Ted his love for Robin. Ted finds out Lily has sabotaged all of his relationships with anyone she does not approve of and indirectly may have inspired his breakup with Robin.
Robin and Ted end up talking about it, causing their friendship to begin moving toward a positive note. After Barney finally sleeps with his th woman and rubs it in the face of the childhood bully who taunted him into pursuing it , he begins to question the purpose of the remainder of his life, leaving him more certain of his feelings for Robin.
Ted, while carrying the yellow umbrella, bumps into Stella and Tony. Tony later decides to visit him, sympathizing with Ted over his loss of Stella.
Tony offers him a job as a professor of architecture, which Ted initially turns down. In the season finale Robin finds out that Barney loves her, and initially refuses to commit to anything but a sex-only relationship; they seemingly end up together anyway. Ted decides that being an architect is leading nowhere, and finally decides instead to become a college professor.
The finale ends with Ted preparing to teach his first class and Future Ted revealing to his children that one of the women in the class is their mother.
Barney and Robin have had a sexual relationship throughout the summer and Lily locks them in a room, forcing them to come to terms with their relationship. After a rough patch they decide to break up. Robin describes it instead as "two friends getting back together. Throughout the season Barney and Robin show feelings of regret over their break-up. Ted dates a graduate student named Cindy Rachel Bilson and it is revealed her roommate is his future wife.
Though she initially dislikes him, the two start dating and eventually she moves in with him. At the end of the season they break up when Don takes a job in Chicago — a job which Robin had previously turned down to stay in New York with Don. Marshall uses his fourth slap on Barney, once again at Thanksgiving. Ted buys a house , which needs to be fixed up badly, but is later revealed to be the future home for Ted and his children.
Lily and Marshall are still unsure about having children. After watching four doppelgangers of their group Lesbian Robin, Moustache Marshall, Stripper Lily and Mexican Wrestler Ted they decide to leave the big decision to the universe's "infinite wisdom" and start trying when they have seen Barney's Doppelganger.
In the season finale, Barney disguises himself to have sex with a girl from every country in the world, and Lily and Marshall mistake him for the final doppelganger. When Marshall finds out, he decides not to tell Lily, fearing she will want to wait even longer to have children. Lily eventually finds out and decides to wait. In the season finale, Lily thinks she sees Barney's doppelganger as a hot dog vendor, which causes the group to realize she is seeing what she wants to see, and play along.
Eventually Barney agrees having babies is not a stupid idea and Lily and Marshall should go forth. The season ends with Lily asking Marshall to "put a baby in my belly". How I Met Your Mother season 6 In the season opening, Ted sees Cindy again with a girl who he thinks to be her roommate, but she turns out to be Cindy's girlfriend whom she later marries. After prodding by Barney, Ted is eventually hired by GNB once more as the architect of the bank's new headquarters, which was originally scrapped in Season 4.
However, he encounters opposition when he meets Zoey Pierson Jennifer Morrison , a woman who is protesting against GNB for selecting a decrepit hotel, the Arcadian, to be torn down for the headquarters.
Over the season, Ted's encounters with Zoey eventually blossom into a relationship after she divorces her rich husband, the Captain Kyle MacLachlan , but they break up as he puts his career and friends over love, leading to the Arcadian's demolition.
Ted also resolves not to get back with Zoey. Having agreed to conceive a baby at the end of the previous season, Lily and Marshall keep having sex, hoping she will get pregnant. Around Christmas, they have a false alarm and later seek fertility testing. The fertility specialist, Dr. However, tragedy strikes when Marshall's father passes away, leaving him devastated and the gang comforting him.
Marshall tries to get over his father's death and live again. Despite a pledge to Lily to work harder for their future, Marshall resigns from GNB and follows his dream of being an environmental lawyer. Zoey also hires him as her lawyer in what became a futile battle to save the Arcadian. At the end of the season, Lily reveals that she is pregnant.
Barney finally admits to the gang that Bob Barker is not his real father, especially when his mother decides to sell the house he grew up in and his brother, James, meets his own father.
Loretta offers the identity of Barney's father on a sheet of paper, but Barney tears this up after realizing her efforts as a single mother. At the funeral of Marshall's father, Barney tells Loretta that he wants to see his father at last.
The man, Jerry Whittaker John Lithgow , is eventually revealed to be someone whom Barney thought was his uncle. Barney, who remembers Jerry as a fun-loving man, is disappointed after learning how Jerry has grown out of his free-wheeling ways.
Although he tries to bring back Jerry's old behaviors, Barney admits that he wants to settle down someday. He is also introduced to Nora Nazanin Boniadi , a co-worker of Robin, for whom he develops feelings.
After an initial falling out, the two reconcile at the end of the season after Barney asks her for coffee.
She is accepted as a researcher in another network, World Wide News. The gang also discovers more of her past as the Canadian pop star Robin Sparkles.