Where on Earth is Carmen Sandiego? 2x9

Carmen begins to steal items that she once saved from other criminals to lure her ex-partner, Suhara, out of retirement. Suhara joins Zack and Ivy to pursue Carmen- much to Zack's dismay. Zack feels Suhara is too old to be of any assistance. He soon learns to respect Suhara and even though they ultimately lose Carmen, Zack learns a valuable lesson that he'll never forget.