Synopsis by Hal Erickson
This episode begins on a serious note, as B.J. (Mike Farrell) receives word that he is the target of a military investigation. Before long, however, tension has segued into laughter as Hawkeye (Alan Alda) merrily engages in a battle of practical jokes against his old pal Bardonaro (James Cromwell). The question: Which of the two mirthsome combatants will have the titular "Last Laugh"?