On Velara III, Geordi and Data discover a microscopic life form responsible for the death of an engineer stationed on the base.
Episode rating
Cast of episode
71
19
5
3
2
- Wesley Crusher
- Captain Jean-Luc Picard
- Doctor Beverly Crusher
- Lieutenant Commander Data
- Counselor Deanna Troi
- Commander William Thomas 'Will' Riker
- Lieutenant Worf
- Lieutenant Commander Geordi La Forge
- Lieutenant Natasha 'Tasha' Yar
- Kurt Mandl
- Louisa Kim
- Bjorn Benson
- Arthur Malencon
- Female Engineer
- Enterprise Computer
- Youngblood
- Operations Division Officer
- Operations Division Officer
- Ensign Bennett
- Crewman Diana Giddings
- Science Division Ensign