Stardate: 43917.4. Spock's Vulcan father, Sarek, boards the Enterprise to negotiate political relations with the Legaran. However, Sarek has contract Bendii syndrome, which causes a Vulcan to gradually lose control, and become overpowered with emotions.
Quest roles:
Colm Meaney(Self), Rocco Sisto(Sakkath), Joanna Miles(Perrin), Mark Lenard(Sarek), William Denis(Ki Aloysius Mendrossen), John H. Francis(Science Crewman), Denise Lynne Roberts(Patti (uncredited)), Marston Smith(Science Officer / Cellist), Joyce Agu(Ensign Gates)