 All of shows seasons have eight episodes, except the fourth season  which has sixteen episodes. Originally, "You Bet Your Life" (ep.  #4.8) was the fourth season finale. But the production on the third  season of HBOs most popular show, _"Sopranos, The" (1999)_ (qv),  was running behind schedule and delayed the season premiere. So a  few months after the original season finale, HBO ordered another  eight episodes of "Oz" rushed into production to fill the time slot.