Chief and Rockapella in “Unfinished Business”

And this is Robocrook, Carmen Sandiego's trash heap of treachery and transistors.

(singing) Robocrook

His last known whereabouts: the sky. Ozone is a type of oxygen that forms in the stratosphere, around 17 miles above us. It blocks the Sun's dangerous ultraviolet rays before they reach the Earth's surface. Recently, scientists discovered that man-made chemicals are eating a hole in the ozone layer above Antarctica. The increase in radiation may already be causing diseases and enviromental destruction. Well, you'd better get out your SPF 9 zillion sunblock because today, Robocrook stole the ozone layer, holes and all. Gumshoes, you've got to wrangle that robot, make the sky safe again and stop...

(singing) Woo-woo-ooo-oo

...THE ROBOZONE ROBBERY!