Star Trek: Voyager: Season 6, Episode 7

6 - 7: Dragon's Teeth

Voyager comes under attack from an armada belonging to a territorial race of aliens known as the Turei. Escaping the attack by sheltering on a decimated planet, the Voyager crew finds a hibernating warrior race in chambers deep below the surface. Captain Janeway tries to ally with the inhabitants, the Vaadwaur. However, she soon begins to think the Vaadwaur may pose a more significant threat than the enemy above.