Jack O'Leary

To the dismay of the Keaton children and their equally conservative grandparents, Steven and Elyse take time out Thanksgiving Day to attend an anti-nuke rally-and end up spending the holiday in jail.

Racing against time, John tries to help a black veteran accused of a crime he never committed. In Europe, John-Boy meets Jason's friend Toni in a recreation room in Paris. In the South Pacific, Ben and his friend Norman have trouble with Sergeant Butler.

After Willis saves his life, Arnold becomes a nuisance trying to repay the debt.

Streetwise Detective David Starsky partners up with a more intellectual partner, Kenneth 'Hutch' Hutchinson, to protect citizens and patrol the streets of Bay City. They get their inside information from flamboyant bad-boy Huggy Bear and spar with their no-nonsense boss, Capt. Harold Dobey.

A squeamish George is drafted to help Jenny in her natural childbirth class -- but the trouble really starts after the class when Jenny goes into labor and George goes into hysterics, in the first of a special two-part story.

The family has eagerly awaited the arrival of the newest Jefferson, but the baby may catch everyone off-guard as George frantically tries to get Jenny to the hospital while trying to get word to Lionel that his wife's in labor, in the conclusion of a two-part story.