- Previous episode S02E04 - A Financial Secret and Fish Sauce
- Number S02E05
- Director Jude Weng
- Writers Steven Molaro, Damir Konjicija, Dario Konjicija, Chuck Lorre, David Bickel, Eric Kaplan
A Research Study and Czechoslovakian Wedding Pastries
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.