註釋
The InvestiGators are having a hard time keeping a low
profile with their new headquarters being a giant robot
towering over the city! How can they be secret agents if
everyone recognises them? But with their ears to the
ground, Mango and Brash hear mysterious rumblings about
boulder buddies ... are they just the latest fad or part
of a mob-run scheme? And could a rocky relationship from
the InvestiGators' past be trembling beneath the surface?
Find out in their most stone-cold dangerous mission yet!
