Archie gets roped into test driving Jughead's new invention: a wearable propeller harness that allows maneuverable flight. The test flight takes a turn when Archie loses the operating instructions.
Betty and Veronica strike a blow for feminism by getting lifeguard jobs. The boys start feigning distress so the girls will rescue them, but luckily Betty and Veronica have a backup plan.
Betty doesn't want Archie to win a yacht trip with Veronica, so she helps Reggie win the sack race and tug of war by sabotaging Archie. The plan backfires when Veronica decides not to go on the yacht trip.
Mr. Lodge and Mr. Weatherbee try to discuss business, but Archie's clumsiness keeps landing the principal in the swimming pool. He and Mr. Lodge venture into the wilderness to avoid Archie, and end up discovering a long-lost Native American tribe.
Little Archie and Susan are at the beach for a picnic. Susan and a teen neighbor of Little Archie are trapped in a cove when a riptide comes in, so it's up to Little Archie to save them.
Jughead invented a rubbery liquid that allows him to bounce all over town like a jackrabbit. Reggie wants to try some, but soon discovers the downside of the magical substance.
Archie won't lend Jughead money because he has to save it for dates. Jughead tries to persuade Archie that girls are a terrible investment, painting a grim picture of Archie's future married life.
Veronica doesn't want to invite Jughead to her party in honor of a real live prince, fearing that he will make a terrible impression. Little Archie persuades her to change her mind, and Little Jughead and Prince Whanu turn out to be kindred spirits.
Veronica thinks she's gained weight, so she and Betty decide to take advantage of the gym at the beach. All their hard work seems to have been wasted when the boys overlook them in favor of a more voluptuous girl.