The Changeling (Star Trek: The Original Series) The Changeling (Star Trek: The Original Series) "The Changeling" is the third episode of the of the American science fiction television series "". Written by John Meredyth Lucas and directed by Marc Daniels, it was first broadcast on September 29, 1967. The crew of the USS "Enterprise" deals with a life-destroying space probe originally launched from Earth. The plot contains similarities to the later . The "Enterprise" investigates a distress call from the Malurian star system. Upon arrival, First Officer Spock reports no life readings from any of the 4 billion inhabitants, despite otherwise normal recent communications. The ship's shields
Up the Long Ladder Up the Long Ladder "Up the Long Ladder" is the 18th episode of the of the syndicated American science fiction television show "", the 44th episode overall, first broadcast on May 22, 1989. Set in the 24th century, the series follows the adventures of the crew of the Federation starship "Enterprise". In this episode, the "Enterprise" becomes involved in two previously unknown Earth colonies' struggle for survival. The Federation starship "Enterprise", under the command of Captain Jean-Luc Picard, receives an automated distress call from satellites orbiting a human colony on the planet Bringloid V, which is in danger from solar