Dick Powell's Zane Grey Theatre (1956)

S20E6 Snakedance (2)

The Doctor engages Ambril and Chela in a conversation, hoping to halt the festivities for the 500th anniversary. Meanwhile, a possessed Tegan ends up in Dugdale's Hall of Mirrors, where she calls upon Lon. The Doctor and Nyssa make their way back to the caves, determined to uncover the truth.