AllMovie

The Doctor (Patrick Troughton) once more crosses paths with the robotic Yeti from the earlier Doctor Who adventure "The Abominable Snowmen" -- and with the alien Great Intelligence who controls the monsters. The adventure begins when the Doctor investigates some unusual activity in the contemporary London subway system -- little realizing that there's more to this case than a few renegade commuters who refuse to pay their fare! Written by Mervyn Haisman and Henry Lincoln, this adventure lasted six episodes, beginning its run on February 3, 1968. Unfortunately, only episode one of "The Web of Fear" is available; the rest have apparently vanished from the earth.