Where on Earth is Carmen Sandiego?

Zack thinks an old detective is too over the hill to help them on a case. However, he learns that experience can be the best teacher when it turns out the detective in question was once Carmen's partner, back when she was an Acme detective.

Carmen's mysterious break-in at Acme headquarters leads Zack and Ivy on their strangest case ever. From a stolen pile of coal in Kentucky, they race to the heart of a volcano in Bali, only to discover Carmen making the world's largest diamond. But why?

When Carmen's henchmen botch a robbery of the Shwe Dagon Pagoda in Myanmar, Zack and Ivy are called in on the case. Their sleuthing takes them to Oslo, Norway, where Carmen stales an ancient Viking ship.

Zack and Ivy hook up with Jamaican detective, Jasmine, when a ghostly robbery of antique cannons takes place at Fort Charles, Jamaica. Soon the kids are onto Carmen's plan to become the greatest seafarin' felon in history, as she patterns herself after famous female pirates, Anne Bonny and Mary Read.

When a copycat Carmen tries to pull off the most audacious crime in history, and usurp Carmen's title as World Greatest Thief, the kids leap into action. Stolen items include the Spruce Goose, 9500 weather balloon, a solar furnace in France, and finally a piece of the rain forest.

Zack and Ivy infiltrate Carmen's secret training ground. They endure a game show-like training regimen, complete with a wise-cracking anti-chief, while trying to get to the nerve center of the V.I.L.E. operation.

In this two-part episode, a hotshot detective works with Ivy, while Zack takes a much-needed vacation. However, there is something strange about this dark and driven young man.

In this two-part episode, a hotshot detective works with Ivy, while Zack takes a much-needed vacation. However, there is something strange about this dark and driven young man.