It's the year 2030 and an older Ted Mosby is telling the story to his son and daughter about how he met and will eventually marry their mother. This is where we meet for the first time Ted, Lily Marshall, Barney and Robin.

Marshall becomes predictably depressed and pathetic after the breakup. And it only gets worse when he discovers that Lily may be back in town.

Barney finds a new wingman to replace Ted, but he's painfully shy and awkward around women. Meanwhile Ted discovers that his new girlfriend Stella hasn't had sex in 5 years.

On Halloween, Robin and her new boyfriend Mike meet for a Double Date with Lily and Marshall, who are eager to win the costume contest. Robin turns out as someone who is not so much into "couple things" so the dinner is not as ple...

Barney is upset because he violated his own "bro code" by sleeping with Robin. How will Ted react when he learns that Barney slept with his ex-girlfriend?

Barney helps Abby get back at Ted by staging a fake proposal, but Abby doesn't realize that it's fake. Lily decides to sell some of her paintings so that she and Marshall can pay for floor repairs at their new place.

As the search for Mrs. Right continues, Ted woos his dermatologist Stella -- but her receptionist, Abby, seems more interested in him.

Ted and Barney pretend to be visitors to New York City to pick up women. Robin is still dating Gael. Marshall and Lily prepare letters to each other to be read after their death.

On St-Patrick's Day, Ted follows Barney to a bar to party like there's no tomorrow, while Robin discovers something strange about Marshall and Lily's new apartment.

Marshall and Lily's plan to buy an apartment is hampered by mistakes and Lily's hidden debt; Barney claims to love commitment to seduce a girl

Ted dated a girl named Natalie three years ago and quickly got annoyed by some of her antics. Therefore he broke up with her by leaving a message on her answering machine on her birthday. He decides to excuse for his immature behavior by br...

As the happy couple celebrate their wedding, Ted and Robin tell Barney about the latest development of their relationship.

Rather than go to McLaren's, their usual hangout, Barney convinces Ted to go to the airport with him to "pick someone up". It turns out that they're there to pick up some girls. While doing this, they fly to Philadelphia...

Barney takes Ted to matchmaker Ellen Pierce, but while Barney gets thrown out, Ellen promises to find a woman for Ted within three days. This promise has disastrous results: the woman that suits him the best has already a boyfriend. Lily an...

Barney and Ted fight over getting the same girl; Robin pretends to like her new boyfriend's son

After sucking down a quintet of shots at the bar, Ted blacks out. He wakes up the next morning with a sprained ankle, a burned jacket, a phone number written on his arm, a pineapple on his dresser, and an unknown woman face down in his bed....