Kirk finds Capt. Tracey of the USS Exeter violating the prime directive and interfering with a war between the Yangs and the Kohms. watch
The crew of Voyager encounters a planet that has recently entered an ice age. They discover a series of stasis chambers where a small group of people are mentally connected to an artificial environment that turned horribly wrong. watch
An accident, which occurs while traveling through the wormhole, leaves Kira and Bashir stranded in an alternate universe where humans are slaves. watch