Stardate: 42437.5. Data is possessed by the consciousness of a brilliant scientist. However, it has a disturbing impact on Data's personality.
Quest roles:
Denise Crosby(Self), Barbara Alyn Woods(Kareen Brianon), William Morgan Sheppard(Dr. Ira Graves), Suzie Plakson(K'Ehleyr), Michael Braveheart(Crewman Martinez), Lorine Mendell(Crewman Diana Giddings), Dexter Clay(Operations Division Officer), Guy Vardaman(Darien Wallace), Rachen Assapiomonwait(Crewman Nelson), Randy James(Ten Forward Waiter)