Pearl continues to pursue Mr. Brewster, while a Jasper Depew courts Jethrine. Jed tries to enroll Jethro at an exclusive Beverly Hills elementary school. When the headmistress learns that the Clampetts are neighbors of Mr. Drysdale, who holds the mortgage on the school, she warms up to the idea. There is a bit of a shock when she comes by to pick up Jethro and realizes who will be her new fifth grader.

Jethro's running late for his graduation ceremony rehearsal despite his new watch. Mrs. Potts of Jethro's school is afraid that his attendance will jeopardize her chances for a new endowment from philanthropist Theodore Switzer. Mr. Drysdale and Mrs. Potts come up with a plan to have Jethro show up late to the ceremony. Skipper the chimpanzee takes Jethro's place in his sixth grade graduation ceremony, impressing Mr. Switzer.