'A Research Study and Czechoslovakian Wedding Pastr' has charted in the following countries:
United Kingdom, United States, Germany, Canada and Australia.
Episode Synopsis: Dr. Sturgis recommends Sheldon and Missy for a university research study on twins, and Mary is unhappy when the test results go to Sheldon’s head.
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Non-Mover. 177 days on the chart
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Up 5 places from #7
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Up 11 places from #14
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Up 12 places from #16
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Up 1 place. 7 days on the chart
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Up 14 places from #20
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Re-entry
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New Entry!
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Up 29 places from #38
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Up 1 place. 353 days on the chart
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