DOCTOR: Someone's using a sonic time scan. It's like a hole in time. The excavation of the skull was brilliant. The volcanic sediment is twelve million years old. These woods, they are supposed to be haunted.
Plan: A: Archeologists; Q: Who uses a time scanner to explore the history of a sinister 12 million year old skull? A: a reputedly haunted woods; Q: Where are the archeologists near? A: a time scanner; Q: What do the archeologists use to explore the history of a sinister 12 million year old skull? A: a hole; Q: What did the archeologists create in time that attracted the Doctor's attention? Summary: Archeologists near a reputedly haunted woods use a time scanner to explore the history of a sinister 12 million year old skull, creating a hole in time that attracts the Doctor's attention.