Stardate 43125.8: While the crew of the Enterprise races against the clock to launch a space probe for a critical experiment, a culture of experimental microbe-machines accidentally released by Wesley threatens to render the Enterprise uninhabitable.
Season 3 Regular Cast: Patrick Stewart (Captain Picard), Jonathan Frakes (Commander Riker), LeVar Burton (Lt. Commander Geordi La Forge), Michael Dorn (Lt. Worf), Gates McFadden (Dr. Crusher), Marina Sirtis (Counselor Troi), Brent Spiner (Lt. Commander Data), Wil Wheaton (Wesley Crusher)
teleplay by Michael Piller
story by Michael Piller and Michael Wagner
directed by Winrich Kolbe
music by Ron Jones
Guest Cast: Ken Jenkins (Dr. Paul Stubbs), Whoopi Goldberg (Guinan), Mary McCusker (Nurse), Randal Patrick (Crewman #1)
LogBook entry by Earl Green