Where Silence Has Lease

"Where Silence Has Lease" is the second episode of the second season of the syndicated science fiction television show Star Trek: The Next Generation, and the 28th episode of the show overall. It is written by Jack B. Sowards and directed by Winrich Kolbe.
In this episode, the Enterprise becomes enveloped by a void in space where the crew are tested by a powerful alien presence.
Plot
While on a charting mission, the Federation starship Enterprise, under the command of Captain Jean-Luc Picard, discovers a patch of pure blackness in space; probes launched into the area simply disappear. As they study it further, the patch expands and soon envelopes the Enterprise, leaving them in a black void with sensors reporting nothing outside. Picard orders the ship to return on the course it entered the patch, but they find that they cannot escape; even using a stationary beacon to track their position, they find themselves brought...