Alex's troubling new obsession leads Valerie to take matters into her own hands. Laura investigates switching high schools. ...

Usually cold-hearted Robin is in tears over the news that her mother will not be attending the wedding. In trying to make Robin feel better, Ted, Barney and Lily each are ...

After Louis drops his kids off at his ex wife's house, he stays home and notices a loud neighbor. When he visits him to see what the fuss is about, he and the neighbor ge ...