Jonathan intervenes when Jennifer's hospitality toward an author (Craig Wasson) results in her having a number of serious accidents.

While vacationing on their yacht in Mexico, the Harts answer a friend's call for help and find themselves jailed for drug dealing.

Introducing himself as Jonathan Hart Jr., a boy charms the Harts and Max as part of an elaborate hoax.

The Harts' purchase of an antique auto leaves them open to a wealthy couple's efforts to acquire the car; guest Murray Matheson.

A disturbed employee working at Hart industries becomes obsessed with her boss, Jonathan. She mimics Jennifer's appearance and plots to kill her.

Jonathan and Jennifer try to prove the innocence of friends implicated in a noted divorce lawyer's murder.