Season 8: Episode 186: Olivia Comes Out of the Closet
Cliff and Clair invite famed singer Miriam Makeba to the house for dinner, and try to discourage the children from crashing the event. Olivia enjoys a visit from her father, but is saddened because he must soon return to the ship. She will not see him again for three months. Olivia disappears during Miriam's visit. While the others search the house frantically, Miriam finds Olivia hiding in the front closet. Olivia explains that she is trying to keep her father from leaving. Miriam takes her outside to talk. She tells her that everyone is very worried about her, and convinces her that she is lucky to have so many family members who care about her. Olivia agrees to go back into the house, and everyone poses for pictures with Miriam.