Mister Rogers' Neighborhood (1968)

S10E14 Mister Rogers Makes an Opera

While exploring Bob Trow's workshop, Rogers discovers a bubble-making machine and a knitting machine. Mr. McFeely shares a video showcasing the sweater-making process in a factory. Meanwhile, Reardon pays a visit to the Neighborhood of Make-Believe, where Lady Aberlin takes on the role of sweater-maker for an upcoming opera.