If you follow Chipotle (NYSE:CMG), you've probably heard about its ShopHouse concept, an Asian restaurant built on the Chipotle model. After 14 months, the company is ready to open up two more of these stores. Rex Moore visited the Washington, D.C., location and talked with the man responsible for the ShopHouse idea. In this installment of our multipart series, Tim Wildin discusses mistakes that were made -- and corrected -- before expansion plans were completed. (See all parts of the series linked below the video.)

  

Part 1: Chipotle's Next Huge Opportunity

Part 2: Chipotle's Small Bet Could Pay Off Big

Part 3: What is Chipotle's ShopHouse, Anyway?

Part 4: Why You'll Find Real Asian Food at Chipotle's ShopHouse

Part 5: Are Customers Buying What Chipotle's ShopHouse Is Selling?

Part 6: Sustaining a Strong Brand is Not Easy

Part 7: Chipotle's ShopHouse Moves Into Expansion Mode

Part 8: Chipotle Shrewd About Future ShopHouse Expansion

Rex Moore owns shares of Buffalo Wild Wings. The Motley Fool owns shares of Chipotle Mexican Grill and Panera Bread. Motley Fool newsletter services recommend Buffalo Wild Wings, Chipotle Mexican Grill, and Panera Bread. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.