Season: 3

Original Airdate: 5/12/1990

Writer(s): Marc Cushman and Jake Jacobs
Director(s): Les Landau

Guest Stars
Colm Meaney as Miles O’Brien
Joanna Miles as Perrin
Mark Lenard as Sarek
Rocco Sisto as Sakkath
William Denis as Mendrossen
John H. Francis as Science Crewman

Stardate: 43917.4

Synopsis: Ambassador Sarek comes aboard the Enterprise with his staff and new, human wife, to complete treaty negotiations with the Legarans who insisted on him mediating. Soon after his arrival, the crew of the Enterprise begin to suffer from bouts of violence and other emotional outbursts. Eventually, the crew discovers that Sarek is suffering from a rare Vulcan disease that erodes all emotional control in Vulcans. Since Vulcans are highly telepathic, he has been broadcasting emotions to the crew. But, because of his illness, the important treaty with the Legarans is in jeopardy.

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