"Stink may be super smart, but he’s been in the Polliwog swim class frog-ever and he still can’t bear to put his face in the water. But then something weird happens: Stink starts to see frogs everywhere. And when a freaky blue (possibly radioactive) frog licks his arm, his froggy senses start tingling! He has an urge to slurp up raisins (that look like flies). He can’t wait to play in the rain and mud. He’s a whiz at identifying frog calls....

Stink Moody, friends Webster and Sophie, and Mrs. Birdwistle visit tourist attractions in Virginia as they try to give away 101 guinea pigs rescued from a laboratory, although Stink is very reluctant to relinquish his favorite, Astro.

During a weekend trip to Artichoke Island, siblings Judy and Stink Moody take part in a pirate treasure-hunting game, in which various clues lead them to silver coins hidden across the island.

When Stink discovers that Pluto has been downgraded from a planet to a dwarf planet, he launches a campaign in his classroom to restore its status to that of a full-fledged member of the solar system.