Uploaded May 2026 | Updated September 2026, 2 weeks ago

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From Season 3 of the original Mickey Mouse Club we present the Jiminy Cricket Encyclopedia segment: Uranium. Some of the Encyclopedia entries were newsreels hosted by a Mouseketeer, in this instance, Don Agrati (later known as Don Grady from My Three Sons). This segment is from Season 3 and the episode date is October 31st, 1957. You can see the entire episode here:

youtu.be/40T-fXLC4ss?si=c6V_AlfZnIa0nqSR