1 Series, 5 Episodes
Marshall has a string of ill-fated nights out with Barney in a bid to meet new women. He eventually goes on a date, but bumps into Lily.
On the advice of a colleague, Barney puts together an extensive pre-nuptial agreement that lays out the rules for behaviour within marriage, as well as the terms for divorce
Lily and Marshall struggle to find a good nanny for baby Marvin when the best candidate runs off to Paris with a wealthy single father
When Lily and Marshall almost get hit by a car on their first day out since becoming parents, they decide to make a will and find a godparent and potential legal guardian for baby Marvin
Victoria drops hints to Ted about wanting more commitment in their relationship and issues an ultimatum. Barney becomes excessively fond of a dog that he finds in the street.
Robin and Nick spend more time talking and less time having sex when Nick pulls his groin playing basketball
Marshall runs into his old law-school classmate Brad, who has fallen on hard times, and decides to help out by recommending him for a job at his firm
Marshall takes on his old friend and new nemesis, Brad, in the biggest case of his career. Meanwhile, the gang reminisce about their own run-ins with the law.
When Ted fills in as Marvin's nanny, Marshall and Lily realise he's using the baby as a surrogate for the real object of his devotion: the GNB building
Robin becomes increasingly suspicious of Barney's relationship with Patrice and, thinking that Barney is going through an emotional crisis, attempts to split them up
Ted invites his old university professor, who insisted he would never make it as an architect, to the grand opening of the GNB building
Barney tells Ted that he plans to propose to Patrice and immediately swears him to secrecy
When Robin learns that Barney failed to ask her father's permission before proposing, she insists that he gets Robin Sr's approval as soon as possible
Robin is upset when she realises that wearing her new engagement ring makes her feel invisible. Ted begins dating a 20-year-old woman with a wild social life.
Marshall and Lily worry that Ted's new girlfriend Jeanette is a deranged stalker, but Ted insists that their meeting is simply the result of destiny
Ted is reluctant to break up with his crazy girlfriend Jeanette, despite the advice of his friends, who think her unpredictable behaviour is stressful
When Ted receives an unexpected voicemail from his former love rival The Captain (guest star Kyle MacLachlan), the gang recall their last awkward encounter with him
When Ted and Jeanette break up, Barney tries to help his friend find a new date using his infamous playbook full of foolproof ways to chat up women
Robin tells Barney that she wants to begin their married life in a new home because she doesn't want to stay in the flat where so many of his previous sexual encounters took place
Barney asks Ted to go with him to see a Robots Versus Wrestlers show. Marshall and Robin argue over the invention of a new cocktail at McLaren's bar.
The Captain asks Lily to move to Rome so that she can act as his art consultant while he lives there, but she frets about the effect on Marshall's career
Ted and Marshall are determined to arrange a legendary stag night for Barney, while Robin endures a difficult evening out with Barney's adoring mother
Robin is desperate to find her 'something old', which she buried in Central Park years before the wedding. Meanwhile, Marshall and Lily ask for Ted's help.
Ted invites Lily to see the house he's been renovating in the suburbs, and tells her he's moving to Chicago after Robin and Barney's wedding