When Lily and Marshall can’t decide on godparents for Marvin, they put the gang to the test to see who would make the best one.

When Lily and Marshall have trouble finding a nanny, they learn it’s because of an elaborate scheme Barney came up with to meet girls. Meanwhile, Robin and Ted butt heads…

When Barney designs an extensive pre-nup, the guys take note and propose their own relationship amendments to their significant others. Meanwhile, Quinn is outraged and draws up a pre-nup of…

Robin’s anxiety on her wedding day to Barney prompts Ted to recount the time he insisted on leaving Victoria’s jilted fiancé a note before they drove off into the sunset…

Ted is conflicted when Victoria approaches him on her wedding day and asks him to elope. Meanwhile, Barney and Quinn are arrested by airport security while on the way to…

When Lily goes into labor, Ted and Robin distract her by telling her stories while Marshall hurries back from Atlantic City.

Marshall panics when a baby shower indicates that the birth is close at hand and accidentally takes a road trip with Barney. Ted hallucinates seeing Robin while trying to get…

Although Ted is happy with living alone at his new apartment, Barney tries to convince him about going out every night. Lily has a naughty dream about someone other than…

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.

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…

Barney continues his pursuit of Quinn. Ted has to deal with Robin’s old room, while Robin gets a taste of suburban life from Marshall and Lily.

Lily and Marshall invite Robin and Kevin on a Valentine’s Day trip to Vermont. Kevin and Robin use the trip to talk about taking their relationship to the next level….

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.

Lily asks for her father’s help when she and Marshall decide to throw a housewarming party. Marshall’s boss gets under Ted’s skin and the two nearly come to blows, and…

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…

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…

Robin receives bad news and decides to hide it from the gang. Marshall hangs Christmas decorations in his house in the suburbs with some help from his neighbor.

Ted and Barney discuss making a life-changing decision together, and Robin tries to discourage Marshall and Lily from moving to Long Island.

While the gang reminisces about Hurricane Irene, Barney tries to cut a deal with Marshall and Lily to get out of wearing the Ducky Tie.

Barney and Robin are afraid to break the news to Nora and Kevin that they cheated with each other and want to get back together, while Ted and Marshall get…

Ted finally meets his mystery girl in the Slutty Pumpkin costume. Meanwhile, Barney learns he is part Canadian, and Lily has pregnancy brain.

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.

Marshall decides to step in after seeing his boss’s approach to settling with a million dollar company. Ted’s class trip isn’t what he envisioned.

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…

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.

Marshall gets a great job offer that he fears may be scuttled by a social media background check. Ted needs a date for the Architects Ball.

Barney faces having to wear Marshall’s ducky tie if he loses a bet with him. Meanwhile, Ted hopes to apologize to an ex for cheating on her.

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…

When Ted is faced with an important decision that might affect his future with Zoey, the gang expresses their true feelings about her.

Robin and Barney bond when they intervene in Ted’s relationship, and Marshall and Lily watch a ticking clock as he fears that he soon will be the victim of food…

When Marshall and Barney argue over the destruction of the Arcadian Hotel, Robin and Lily try to mix the right combination of cocktails that will force them to make up….

When Barney tries to bond with his father, he asks the gang to help make his life seem more exciting by lying about their own lives. Meanwhile, Robin runs into…

Lily and Barney react badly when Marshall finally quits his job at Goliath National Bank to take a volunteer position at an environmental organization. Meanwhile, Ted and Zoey’s opposing positions…

When Barney starts to have real feelings for Nora, he worries that something is wrong with his heart. Meanwhile, Robin starts dating a guy who acts a lot like a…

Barney meets his father and is shocked by the differences in their lives. The rest of the gang learn their “gaps”; knowledge they should have by now, but don’t.

Marshall becomes obsessed with saving the environment after seeing a documentary on garbage. Ted runs into The Captain. Barney admits he has feelings for a woman.

Barney declares February 13th a holiday for desperate women. Marshall receives a Valentine’s Day surprise from Lily. Zoey and Ted work on figuring out their relationship.

While on a trip to Minnesota, Ted and Barney try anything to make Marshall laugh. Marshall runs into an old nemesis from high school.

Barney gets emotional when he opens up to Honey about his life. Ted admits to having feelings for Zoey to the group.

Afraid they will never get pregnant, Lily and Marshall decide to see a specialist. Robin begins her new job.