<Tr> <Td> ← Previous "Ensign Ro" </Td> <Td> Next → "Disaster" </Td> </Tr> <Tr> <Td_colspan="2"> List of Star Trek: The Next Generation episodes </Td> </Tr> <P> "Silicon Avatar" is the 104th episode of the American science fiction television series Star Trek: The Next Generation . The fourth episode of the fifth season . </P> <P> After the Crystalline Entity--which years earlier killed the colonists of Omicron Theta--attacks another colony, Picard joins forces with scientist Kila Marr to hunt it down . Marr has been searching for the entity for years, ever since it destroyed her son . But Picard's determination to find a peaceful way to stop the creature's onslaught of humanity is at odds with Marr's obsession with revenge . </P>

Star trek next generation season 5 episode 4