Hank and Peggy celebrate their twentieth wedding anniversary by going skydiving; Bobby drives Didi to the hospital when she goes into labor.
Hank, Bobby and the others must cope with the aftermath of Peggy's skydiving accident and the birth of Didi's baby.
Cotton assists with Peggy's rehabilitation as he seeks a war hero's grave.
Bill is granted the opportunity of a lifetime after his old high school football touchdown record is shattered.
Hank volunteers to teach Bobby's shop class and becomes the most popular substitute teacher at school. Meanwhile, Peggy does her utmost to win the Substitute Teacher of the Year award.
