The residents of San Francisco are becoming drone-like shadows of their former selves, and as the phenomenon spreads, two Department of Health workers uncover the horrifying truth.
Sesame Street celebrated its 10th anniversary in the spring of 1979 with a half-hour PBS special hosted by James Earl Jones titled A Walking Tour of Sesame Street. The special aired on individual PBS stations at various times between March and May 1979. (Muppet Wiki)