Which Dora episodes have a witch?

In "Dora the Explorer," the episodes featuring a witch include "The Witching Hour," where Dora and her friends encounter a friendly witch named Marisol who needs help retrieving her lost broomstick. Another episode is "Dora's Halloween Adventure," where they meet a witch who assists them in a Halloween-themed adventure. These episodes typically focus on problem-solving and teamwork as they navigate challenges with the witch's help.