![](https://image.tmdb.org/t/p/w185/6jwEtk9UgHoQCVrqHuRmbgSvwMS.jpg)
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McGarrett meets his match in Dr. Grant Ormsbee, a grumpy and aggravating scientist who is sheltering a suspected Chinese defector.
First Air Date : Sep 20, 1968
Last Air date : Apr 05, 1980
Episode : 284 Episode
Season : 12 Season
Runtime: 60:14 minutes
Studio: CBS
Country: United States of America