Duggee and the Squirrels go on a mission to contain an outbreak when Roly inadvertently goes on the run with the world's smelliest cheese, earning Cheese badges in the process.

The Squirrels stumble upon Duggee's old radio equipment and discover that Duggee used to have his own radio show. The Squirrels decide to start their own, earning their Radio Badges and lots of fans.