In the conclusion of the six-part story "The Abominable Snowmen," the Great Intelligence is poised to release his army of Yeti robots on the helpless world. The Doctor (Patrick Troughton) finally hits upon a method to banish the Intelligence forever. But what effect will this have on the Doctor's ancient and venerable comrade, Padmasmabhava (Wolfe Morris)? Written by Mervyn Haisman and Henry Lincoln, "The Abominable Snowmen, Episode 6" first aired on November 5, 1967. ~ Hal Erickson, Rovi