Star Trek: The Next Generation - Season 1 Episode 5 -

Although Riker considers maverick Federation scientist Kosinski's project to vastly boost the Enterprise's propulsion absurd, Picard obeys the Admiralty's orders. Fascinated, Wesley sits with his alien assistant and wins his confidence. The results surpass even Kosinski's wildest dreams, jumping the ship into a galaxy millions of light year away. Deciding against immediate study, Picard orders Kosinski to get them back. Only Wesley noticed that his assistant, who 'faded' supernaturally, is the real key. The next jump brings to where the crew's deepest hopes and fears ...