The enduring popularity of comedian Lucille Ball's 6-season sitcom, I Love Lucy, has resulted in so many full-color collectibles, occasional viewers may forget that the show was filmed in black and white.

More ardent fans may have tuned in for the special colorized episodes CBS aired a couple of years ago, but the only existing color footage of Lucy and her husband and co-star, Desi Arnaz, was captured by a stealthy studio audience member.

The ubiquity of smart phones have made unauthorized celebrity shots commonplace, but consider that this regular Joe managed to smuggle a 16mm movie camera into the bleachers of producer Jess Oppenheimer's tightly controlled set. This covert operation on October 12, 1951 shed light on the true colors of both the Tropicana nightclub and Ricardo apartment sets.

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