Where on Earth Is Carmen Sandiego?

Season 4, Episode 6

Episode Title: Timing is Everything

Air Date: 1998-12-05

Overview:

Carmen's henchman Mason Dixon steals her time machine. Suddenly, he is the leader of V.I.L.E. and Carmen is only his henchwoman. Zack and and Ivy have to restore Mason's damage, and also stop him from trying to change the outcome of the Civil War