1 Series, 5 Episodes
Robin shows up with a new date Gael (guest star Enrique Iglesias) which prompts Ted to move on and date fun-loving Amy (guest star Mandy Moore).
Barney and Ted assume that Gael's success with women is because he is foreign and has an accent, and so pretend to be tourists to attract women.
Two women are interested in Ted and both want to go back to his flat, which leaves Barney seething. And Robin misjudges her style before going on a date.
Lily sets Robin up with the dad of a pupil. Though hesitant at first, Robin agrees and bonds with his son, making it difficult when she dumps his dad.
Ted's new girlfriend becomes jealous that the story about how Ted and his friends met is better than how she met him.
Marshall is euphoric when he is offered a job at an environmental advocacy group but is persuaded to accept a job at a polluter-defending company.
Lily and Marshall tire of Ted's intrusion on their personal space and begin to look for a new flat. Marshall loves the first flat he sees, but Lily can't afford to live there.
Ted is delighted when he meets - in his view - the perfect girl. But his happiness soon fades when his pals point out her flaw. The gang decide to reveal each others' flaws.
Lily is in a flap as Thanksgiving approaches. It will be her first as Marshall's wife and the gang are planning to spend the holiday together
The friends join a gym, where Barney sees Rhonda, the woman he lost his virginity to, while working out, and discovers that she didn't rate his performance in bed
Ted's friends discourage him from going on a date with his tattoo removal doctor, despite his enthusiasm for the idea
Lily and Marshall host a game night in honour of St. Patrick's Day. Barney's determined to go out instead and coaxes Ted into coming with him.
Ted is turned down by his dermatologist Stella for a date and starts being pleasant to her receptionist Abby - Britney Spears - to get on her good side
Barney tries to track down a mystery woman who is giving him a bad reputation and warning other women to stay away from him. He narrows the list down to 64 women.
Marshall fears his angry boss's dressing down after he hands in a piece of work late. A series of mishaps leads a waiter to scream at Marshall.
Robin rekindles a spark with an ex-boyfriend who dumped her as a teenager
Barney and Robin wake up in bed together and make a pact not to mention that they've had sex. Lily rescues a goat, while Ted celebrates his 30th birthday.
Ted tells Lily and Marshall all of Stella's secrets, but Stella finds out and dumps Ted. Barney is searching for a replacement best friend.
Abby - Britney Spears - reveals that she's the saboteur warning other women to stay away from Barney, but she and Barney make up over a shared dislike of Ted
Ted is knocked over by a taxi after trying to break up with Stella. On his way to the hospital, Barney is also knocked over and breaks every bone in his body.