Suzie Plakson

Lily's long-lost dad shows up unannounced on Thanksgiving Day. She confides the real reason she stopped speaking to him three years ago, as she and Marshall disagree on how they should deal with the dispute.

When the gang views a tape from Barney's ex-girlfriend, everyone must share their most embarrassing moment in order to get him to tell the full story about the tape.

When Ted attends his mother's wedding, he is disturbed by her overly affectionate relationship with her fiance.

Ted and Robin are surprised to run into Barney when they volunteer at a homeless shelter on Thanksgiving.

When Zoey's naive cousin visits, Barney makes a move on her; Ted comes to grips with his feelings for Zoey.

Marshall and Lily worry that Lily will never fall pregnant. To allay their fears, the couple visit a specialist who bears an uncanny resemblance to Barney.