I, Borg (season 5) When the crew rescues a lone Borg, Picard must decide whether to treat him like an individual or use him to disable the entire Borg collective.

First Contact (season 4) When he is injured during a reconnaissance mission, Riker's identity as an alien is discovered by an alien culture deeply fearful of the idea that they are not alone in the galaxy.

Frame of Mind (season 6) After a case of stage fright and a difficult away mission, Riker finds himself in an alien mental hospital, facing mounting evidence that he is going insane.

A Fistful of Datas (season 6) When Data is connected to the ship's computer while Worf and Alexander are playing out a Wild West holodeck scenario, the Klingons are trapped with hostile images of Data in their story and the safety protocols off.

The Offspring (season 3) Data creates an android daughter using his own neural network, but Starfleet wants to take custody of her.

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Keeper of the Jabberwock