On the third leg of their RV odyssey, the differences between the Roloff boys and girls are in stark relief, as Amy and Molly spend a peaceful day in Sedona, Arizona - while Matt and his rowdy sons get their kicks along a stretch of old Route 66.

It's planting season, and farmer Matt leads the charge to get this year's pumpkin and corn crops in the ground - while Amy, Molly and Grandma Peg plant a family vegetable garden.