Rules & Limits: How People Make Lightbulbs Mister Rogers' Neighborhood : Season 4 Episode 16
TV-Y National Educational Tele 30m
Aired: March 8th, 1971 @ 7:00 PM EST on National Educational Tele
Rogers talks of light bulbs and replaces one of the bulbs on his traffic signal. Later in the program, two boys discuss bird-watching with Rogers.
