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
T'Pol T'Pol Commander T'Pol, born 2088, is a fictional character portrayed by Jolene Blalock in "". She is a Vulcan who serves as the science officer aboard the starship "Enterprise" (NX-01). According to producer Rick Berman, it was originally intended that a younger version of T'Pau would be the Vulcan officer serving on the titular starship in "Star Trek: Enterprise". Instead, after determining there were legal difficulties in using the original series character, the producers created T'Pol. T'Pol is the first Vulcan officer to serve a prolonged term on a human vessel. T'Pol served aboard the "Enterprise" for 10 years (2151–2161).