ABC 20/20

Ted tells his kids how he met their mother.

Ted throws a party in hopes of seeing Robin again, but when she doesn't show up, he throws another... and another. Presented by FX.

Barney talks Ted into going to the airport.

Ted reconnects with an old flame and soon remembers why he dumped her in the first place. Barney pays Robin to say outrageous things on the air. Presented by FX.

Robin takes Ted and Barney to a club.

Halloween hijinx are afoot as Ted makes his annual trek to the same lame party in search of a girl he met there years ago, while Robin joins Marshall and Lily for a double date.

When Ted signs up with a matchmaking service, he learns that love is not a science. Meanwhile, Marshall and Lily confront a frightening creature living in the apartment.

Lily moves in with Marshall and Ted, and when Ted suspects that he's being edged out of the apartment, he and Marshall decide to settle it like men.

Thanksgiving with Marshall's family is stressful when Lily thinks she might be pregnant. Robin, Barney, and Ted spend the holiday volunteering.

Ted gets drunk.

Ted makes New Year's Eve plans.

Ted takes Robin to a wedding as his date.

Robin is emotionally torn when Ted meets an exciting new woman, Victoria, at the wedding. Afterward, though, he doesn't know how to contact her.

Hiding in the bathroom, Marshall and Lily wait for Ted and Victoria to consummate their relationship, and Barney gets the wrong idea from Robin.

Marshall's game night leads to some startling and very embarrassing revelations.

Just as Ted and Victoria's relationship is beginning to flourish, she's offered a scholarship to a culinary institute in Germany.

With Victoria in Germany, Ted faces the pitfalls of long-distance relationships. Marshall has trouble fitting in at Barney's company.

With Victoria on his mind, Ted has conflicted feelings when Robin invites him over for a late-night rendevouz. Presented by FX.

Ted needs a date to take to Robin's awards banquet, so Barney hooks him up with Mary, who may be a call girl.

With her wedding day fast approaching, Lily, along with Barney and Robin, crashes a high school prom to scope out a potential band for the reception. Presented by FX.

Ted is excited when a matchmaking service claims to have found his soul mate, but he postpones his date to help Lily, who has a surprising revelation.

Ted uses a rain dance to keep Robin from camping.