Before the Johnstons attend their annual little people's conference in San Francisco, Trent and Amber decide to start the trip in San Diego drive up in an RV. Everyone is excited for the destination, but can they survive a week in an RV together?

The family is back home from their two week California vacation and the start of the school year is approaching fast. Anna breaks down as she prepares to start college, and Trent & Amber worry Liz is getting too hot and heavy with her new boyfriend.