1. The Best Man
Air date: 2011-09-19 · 30 min
While Barney prepares for his wedding to a mystery bride, he and Ted reminisce about Punchy's wedding, including when Marshall and Lily announced they are having a baby. Meanwhile, Robin considers telling Barney she has feelings for him.
Open episode 1 ↗2. The Naked Truth
Air date: 2011-09-19 · 30 min
When Marshall gets the job of his dreams, he worries that, once the company discovers videos he made in the past, they may rescind the offer. Meanwhile, Ted can't decide who to bring to the Architects Ball.
Open episode 2 ↗3. Ducky Tie
Air date: 2011-09-26 · 30 min
After Ted runs into an old girlfriend, he tries to make amends with her since he cheated during their relationship. Meanwhile, Marshall and Lily make a bet with Barney that could force him to wear Marshall's ducky tie.
Open episode 3 ↗4. The Stinson Missile Crisis
Air date: 2011-10-03 · 30 min
After Robin assaults a girl who is out to ruin Barney's relationship, she is forced to begin court-mandated therapy sessions. Meanwhile, Ted gets too involved in Lily's pregnancy.
Open episode 4 ↗5. Field Trip
Air date: 2011-10-10 · 30 min
When Marshall witnesses his boss's soft approach in settling with a million dollar company, he takes matters into his own hands. Meanwhile, Ted takes his architecture class on a field trip and things don't go as planned.
Open episode 5 ↗6. Mystery vs. History
Air date: 2011-10-17 · 30 min
When Ted goes on a date without researching the girl on the Internet, the gang interferes, showing Kevin that they are too into each other's business. Meanwhile, Lily and Marshall come to terms with finding out the sex of their baby.
Open episode 6 ↗7. Noretta
Air date: 2011-10-24 · 30 min
The gang begins to realize their romantic partner reminds them of one of their parents. Meanwhile, Barney and Nora's planned romantic evening is ruined by a string of bad events.
Open episode 7 ↗8. The Slutty Pumpkin Returns
Air date: 2011-10-31 · 30 min
Ted finally meets his mystery girl in the Slutty Pumpkin costume. Meanwhile, Barney learns he is part Canadian, and Lily has pregnancy brain.
Open episode 8 ↗9. Disaster Averted
Air date: 2011-11-07 · 30 min
The gang reminisces about what happened during Hurricane Irene and Barney tries desperately to get out of wearing the ducky tie.
Open episode 9 ↗10. Tick Tick Tick...
Air date: 2011-11-14 · 30 min
Barney and Robin find themselves in an uncomfortable situation when they hide a secret from their significant others. Meanwhile, Marshall, Lily and Ted attend a concert.
Open episode 10 ↗11. The Rebound Girl
Air date: 2011-11-21 · 30 min
Ted and Barney discuss making a life-changing decision together, and Robin tries to discourage Marshall and Lily from moving to Long Island.
Open episode 11 ↗12. Symphony of Illumination
Air date: 2011-12-05 · 30 min
When Robin receives bad news, she decides to lie about it to the gang. Meanwhile, Marshall hangs Christmas decorations on the house in the 'burbs with help from his neighbor.
Open episode 12 ↗13. Tailgate
Air date: 2012-01-02 · 30 min
After celebrating New Year's Eve, Marshall visits his father's graveside to carry on their tradition of tailgating. Meanwhile, Barney and Ted open a bar called "Puzzles," and Robin is forced to fill in for an inebriated news anchor.
Open episode 13 ↗14. 46 Minutes
Air date: 2012-01-16 · 30 min
Lily and Marshall officially move to the suburbs and realize that Lily's bossy father refuses to move out of their house. Meanwhile, the gang adjusts to them moving by going to a strip club.
Open episode 14 ↗15. The Burning Beekeeper
Air date: 2012-02-06 · 30 min
Lily and Marshall throw a housewarming party, where Ted nearly comes to blows with Marshall's boss, and Barney hits on a crazy divorcee.
Open episode 15 ↗16. The Drunk Train
Air date: 2012-02-13 · 30 min
For Valentine's Day, Lily and Marshall invite Robin and Kevin on a weekend getaway to Vermont, where Kevin and Robin discussing taking their relationship to the next level. Meanwhile, Barney realizes he has finally met his match.
Open episode 16 ↗17. No Pressure
Air date: 2012-02-20 · 30 min
When Robin breaks up with Kevin, Ted confesses his feelings to her. Meanwhile, Barney is on a mission to find something private of Marshall and Lily's.
Open episode 17 ↗18. Karma
Air date: 2012-02-27 · 30 min
Barney tries to pursue Quinn, even after learning she is a stripper. Meanwhile, Marshall and Lily introduce Robin to life in the suburbs and Ted tries to figure out what to do with Robin's old room.
Open episode 18 ↗19. The Broath
Air date: 2012-03-19 · 30 min
The gang tries to break up Barney and Quinn after learning they plan on moving in together, leaving Robin and Ted to fight over who deserves to sublet her apartment.
Open episode 19 ↗20. Trilogy Time
Air date: 2012-04-09 · 30 min
Ted, Marshall and Barney embark on another "trilogy time," where they get together every three years to watch the "Star Wars" trilogy and envision what their lives will be like in another three years. Meanwhile Barney and Quinn move in together.
Open episode 20 ↗21. Now We're Even
Air date: 2012-04-16 · 30 min
Just as Ted starts to settle into his new apartment alone, Barney tries to entice him into going out every single night. Meanwhile, Lily has a naughty dream about someone other then Marshall, and Robin finally becomes a famous news anchor.
Open episode 21 ↗22. Good Crazy
Air date: 2012-04-30 · 30 min
When Lily and Marshall have a baby shower, Marshall starts to panic after realizing the baby is coming soon. Meanwhile, Ted and Robin come to terms with their relationship and Barney takes Marshall on a road trip.
Open episode 22 ↗23. The Magician's Code (1)
Air date: 2012-05-14 · 30 min
While Marshall is in Atlantic City with Barney, Lily goes into labor, leaving him desperate to make it back to New York before the baby is born. Meanwhile, Ted and Robin try to distract Lily during her painful contractions.
Open episode 23 ↗24. The Magician's Code (2)
Air date: 2012-05-14 · 30 min
On Barney's future wedding day, when his wife is finally revealed, the gang reminisces about the time they encouraged Ted to follow his heart and go after the one that got away.
Open episode 24 ↗