Geordi can barely curtail his enthusiasm at being able to test out a new theory of transportation, as Worf's mother boards the Enterprise with his son and news that Worf's Earthly parents can no longer care for him.
After chasing a fugitive into a cave, Kira gets stuck and is slowly encapsulated by a growing crystal stone while Odo tries to figure out how to free her.
When Sisko is picked to head up an attack on the Cardassian homeworld, the Prophets appear to him in a vision, warning him of impending doom if he leaves the station.
After aliens raid Voyager, Janeway discovers her Leonardo holodeck character living independently at a trading post under the patronage of a shameless "prince" of thieves.