How I Met Your Mother Season 1 Episode 19 Mary the Paralegal

When Robin's co-worker Mary the paralegal expresses interest in Ted, Robin begins to question her own feelings for him. Meanwhile, Barney urges Marshall and Lily to find out and reveal the gender of their baby. As Ted starts to date Mary, he realizes that she is extremely possessive and jealous. Despite this, he persists in the relationship until Mary becomes too much to handle. Meanwhile, Robin and Barney's efforts to determine the gender of Marshall and Lily's baby lead to an unexpected result. The episode ends with Ted questioning whether he really wants to settle down.