Mummy's Little Boy: While Dennis and Margaret are playing doctor and nurse, with Joey as their patient, he gets wrapped up in too much bandage and causes the other kids to panic when they think he's a mummy. Horsing Around: While Dennis and Tommy are skateboarding in the countryside, they encounter a horse who takes a liking to Dennis and follows him home. Dennis Plasters Pamplona: The Mitchell family visits Pamplona, Spain, where Dennis learns about the running of the bulls. (thetvdb.com)