Graduation day nears for Carlin and Trace, but Kelly Jo gets sick and can't plan a party for them, so Carlin tries to organize a festive celebration.
A fan bonds with the Bates after winning a contest to be an honorary family member for a day. Activities include doing chores and riding horses.
Carson's first birthday is celebrated by the family, who arrive at Erin's home to help decorate; the boys get sidetracked by the party's entertainment; Kelly Jo gives Katie and Josie their first driving lesson.
A no-limits buffet entices the hungry Bates clan; Lawson acquires a high-profile duet partner: Emily Ann Roberts, a former finalist on "The Voice."
