According to Jim, Season 6

Past secrets come to light, new members of the family arrive and everyone enjoys the ride in the sixth hilarious season of the popular comedy. As everyone eagerly awaits the arrival of Dana's baby, Jim continues to offer his trademark advice on all subjects — solicited or not. When Andy's new metal detector uncovers Jim's long-lost wedding ring buried in the front yard, it stirs up a hornet's nest of trouble between Jim and Cheryl. It looks like the battle between the sexes is about to turn into a full-on war when Dana suddenly goes into labor while her husband Ryan is overseas. Jim has to be a man and take Ryan's place by her side in the delivery room. The whole family comes together to welcome the newest addition to the most lovably flawed family on television.