Ally McBeal - Season 4 Episode 8 -

Nelle hires John to defend her father when he's been fired for believing he's Santa Claus. The case is going to need some magic since he really does believe he's Santa. Larry's ex-girlfriend and the mother of his child, Jamie, shows up in his office, and Ally tries to deny that she's jealous. When Jamie then gets invited to the office Christmas party, Ally no longer feels like partaking in the festivities.