Pops is distraught; he has lost his hat! Boj goes off to find it, but only finds Denzil doing a warbly whistle. Together they come across a rare bird, the giggly warbler, which has decided to use Pops ...

Boj's friends are all practising the Cloppity Concerto to play at the Giggly Gig in the park. But when Denzil breaks his guitar, Boj shows him that with a bit of improvisation he can still play at the ...