Mysterious forces are at work in 1930s Tibet. The once gentle Yeti have turned savage and besieged a Buddhist monastery. The Second Doctor, Jamie and Victoria arrive expecting a friendly welcome from the abbot, but soon become ensnared in the plans of the extradimensional being known as the Great Intelligence.
Writing | Mervyn Haisman | Writer |
Writing | Henry Lincoln | Writer |
Directing | Gerald Blake | Director |
Production | Innes Lloyd | Producer |
Writing | Peter Bryant | Script Editor |