Yes, "Trilogy of Terror" is the right one. As I recall, the plot centered around a doll that became animated only after one removed a necklace or chain from around its neck. It was the last segment of the trilogy, if memory serves, and it must have aired in 1975 or '76. I and others who watched it with me talk about it to this day... Cheers, Mike Wakefield Keene State College Keene, NH USA