Where on Earth is Carmen Sandiego? - Season 3 - Eps 9: The Labyrinth (3): When in Rome
Zack and Ivy escape from the future and follow Carmen to Rome. There, the detectives are captured and are sentenced to fight each other in the Coliseum games. Luckily, they are spared from having to fight each other to the death. They escape, and discover Carmen's plan- she's going to steal the Coliseum! The detectives realize this is part of her plan to become ""the greatest thief of all time"" by stealing objects from the past, present, and future.
About Where on Earth is Carmen Sandiego?

Title: Where on Earth is Carmen Sandiego?
First Air Date: 1994-02-05
Last Air Date: 1999-01-02
Status: Ended
Rating: 7.3/10 (from 44 votes)
Language: EN
Seasons: 5
Total Episodes: 40
Network: FOX ABC Family Fox Kids
Genres: Mystery, Animation, Kids
Production Companies: DiC Entertainment
Synopsis
It's all up to you. You must gather clues, note locations and facts, and finally fit all the clues together to help catch the greatest criminal mastermind in history--none other than the infamous Carmen Sandiego. She's bold, beautiful, and until now, uncatchable. But with your help, the ACME Detective agency might just have a chance at bringing her in.
Cast

Rita Moreno
Carmen Sandiego (voice)

Jennifer Hale
Ivy (voice)

Scott Menville
Zack (voice)

Rodger Bumpass
The Chief (voice)