Ted recounts a story about leaving a note for Victoria's ex-fiance (Thomas Lennon) in hope of calming Robin, who is anxious on her and Barney's wedding day.

When Barney prepares a comprehensive prenup, the other guys decide to propose relationship amendments to their significant others; Quinn is furious and makes a prenup of her own.

The gang objects to Barney and Quinn's (Becki Newton) plan to move in together; Ted and Robin get into a fight.

Ted, Marshall and Barney get together to watch the "Star Wars" trilogy and consider their futures; Barney and Quinn move in together.

Marshall panics when he realizes the baby is coming soon; Robin and Ted decide to come to terms with their relationship; Barney plans a road trip.

As Ted settles into living alone, Barney tries to get him to hit the town every night; Lily has an erotic dream; Robin becomes famous.

On Barney's wedding day, the friends remember the time they encouraged Ted to go after the one that got away.

Marshall, Lily, Robin and Kevin celebrate Valentine's Day with a weekend in Vermont; Barney meets his match.

Barney pursues Quinn, even after learning she's a stripper; Marshall and Lily show Robin what life is like in the suburbs; Ted tries to figure out what to do with Robin's room.

The gang tries to plan a legendary bachelor party for Barney.

Lilly Rush interviews a maid who says she witnessed the beating death of a teenage girl during a party on a luxurious estate more than 25 years ago.

Frances and Robert try to establish new ground rules for the kids.

Frances is inspired by an unknown artist; Robert encounters a sexy, opinionated realtor.

Frances makes a connection with an art-world bigwig.

Season finale. Frances needs Robert's help; Diane falls off the wagon.

Hannah takes the fight to Katrina, culminating in a final showdown as she tries to free Gabe; Kayla breaks off from Tim and the police to try to save Colleen; Jordan reaches his breaking point with the third pig.

Hannah takes on Katrina's henchmen in her attempt to get Gabe to safety; Nick refuses to take no for an answer; realizing he has an ally at the police department, Jordan tries to let go of his obsession for revenge.