To help Kayla, Team Umizoomi needs to know how water gets to Umi City. “How Does It Work” shows the process and now it’s up to the Team to figure out where the problem is and fix it fast.

Soo Kim, who worked on “Blue’s Clues” and is one of “Team Umizoomi’s” creators and writers and its design director, said the show was built on the idea that “preschoolers naturally ...