The Vengeance Factor

Star Trek: The Next Generation  Season 3 Episode 9

Air Date: 11/20/1989

Stardate 43421.9 The Enterprise investigates a destroyed research facility. The researchers have been knocked out with phaser blasts and the lab has been ransacked of all valuable items. Evidence suggests the raiders are the Gatherers, a space-faring group of Acamarians who left their home world, Acamar 3, almost a century ago, over clan disputes.