Your crew boards what looks like a salvage. Instead, you find a man who can barely speak, and then the ship starts showing you why he's the only one left alive. Roots Search doesn't waste time on exposition or false scares, it just presents the horror as fact and lets dread compound with each new discovery. This is the kind of '80s sci-fi horror that understands silence and implication do more damage than gore, and by the time you realize what's actually happening aboard the Green Planet, the claustrophobia has already won.
In deep space, the staff of a psychic research station watch as a ship called the Green Planet warps into their vicinity. Its crew is dead, except for Buzz, its commander. He is in no condition to explain what went wrong aboard his ship. The researchers soon learn that the thing which killed everyone on the Green Planet is still active, and it now turns its attention to the handful of people on the station. The one-episode horror and sci-fi OVA from 1986 takes loose inspiration from the 1979 film Alien, pitting a small group against a lethal presence in the isolation of space.