Class 9M4 was a class that Danny Pink taught maths in at Coal Hill School. Clara Oswald reminded him that they were waiting to get him away from the caretaker, "John Smith". (TV: The Caretaker)
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Class 9M4 was a class that Danny Pink taught maths in at Coal Hill School. Clara Oswald reminded him that they were waiting to get him away from the caretaker, "John Smith". (TV: The Caretaker)