Overview
At the observatory, Bart hears signals from outerspace and runs into Shirley on the case. When two officials show up, it becomes clear that the man in charge of the observatory is not who he says he is.
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3 - 1The Case of the Celestial Signal September 14, 1998 -
3 - 2The Case of the Galloping Ghost January 01, 1970
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3 - 3The Case of the Crooked Comic September 28, 1998
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3 - 4The Case of the Flim Flam Farm October 05, 1998
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3 - 5The Case of the Mysterious Message October 12, 1998
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3 - 6The Case of the Second Take October 19, 1998
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3 - 7The Case of the Code of Silence October 26, 1998
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3 - 8The Case of the Bamboozling Blonde November 02, 1998
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3 - 9The Case of the Real Fake January 01, 1970
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3 - 10The Case of the Open Hand November 16, 1998
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3 - 11The Case of the Ten Dollar Thief November 23, 1998
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3 - 12The Case of the Miraculous Mine November 30, 1998
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3 - 13The Case of the Forbidden Mountain December 07, 1998