star trek voyager
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basic, part II

stardate 50023.4. After a visit from their old crewmember, Seska, Voyager is now controlled by the Kazons. They relax, thinking they have won, but they had forgotten about two personnel: The Doctor who's still onboard, and Lt. Paris who had been on a mission while Voyager was being taken over. Both join to retake what belonged to them and the crew of Voyager.

flashback

stardate 50126.4. To rid some hallucination attacks triggered by the image of a nebula, Tuvok must revisit his past by mind-melding with the closest family member. But being stranded in the Delta Quadrant with no family member, he choses his closest friend, Janeway to help him to determine the cause of the hallucinations.

Basics, Part II
Flashback