Andy Prosky

In retirement John Adams laments the perils of a long life; loss of loved ones and growing irrelevance. But out of tragedy John rekindles his broken friendship with Thomas Jefferson and lives to discuss John Quincy's ambitious presidential agenda with him.

When Joe Hill's lineage as a Reagan is revealed, Frank struggles from a distance when his grandson wants to fight his own battles. Also, when Erin and Anthony receive gift-wrapped evidence, they carefully weigh their options to either take down a long-time mafia leader, or stifle an ambitious mob up-and-comer.

When a young man, Danny Rutley (Andy Prosky - "Law & Order"), comes into the emergency room with heart failure, Kovac and Gates must deal with Danny's helpless father, Wayne (Robert Prosky - "Hill Street Blues"). Meanwhile, an Armenian man, Zakar (Ken Davitian - "Borat: Cultural Learnings of America for Make Benefit Glorious Nation of Kazakhstan"), takes time out of his schedule and risks his life to be a Good Samaritan. Pratt takes the high road and attempts to make amends with his brother. And both Abby and Gates deal with the constant challenges of parenthood. Recurring guest star Stacy Keach appears as Gates' father, Mike.