Star Trek: The Next Generation, season 2, episode 1
The Child
Summary
Dr. Katherine Pulaski (Diana Muldaur) joins the Enterprise while Lt. Geordi La Forge (LeVar Burton) prepares the Enterprise to transport dangerous plague specimens; Counsellor Deanna Troi (Marina Sirtis) spontaneously becomes pregnant and gives birth to a mysterious child.
Summary from Wikipedia, CC BY-SA 4.0.
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