Upon discovering a Dyson sphere, the Enterprise rescues Scotty from the transporter buffer of a crashed Starfleet vessel.
6-01: Time’s Arrow, Part II
Trapped in 19th-century Earth, Picard, Riker, Data, LaForge, Crusher, and Troi work to save Earth from dangerous aliens.
6-11: Chain of Command, Part II
Held captive by Cardassians, Picard is tortured while a rescue mission hinges on the Enterprise’s ability to avoid an all-out war.