"The Search" is the 47th and 48th episode of the science fiction television show Star Trek: Deep Space Nine. Set in the 24th century, the series follows the adventures on Deep Space Nine, a space station located near a stable wormhole between the Alpha and Gamma quadrants of the Milky Way Galaxy, near the planet Bajor. During this period, the station commander, Federation Commander Sisko, played by Avery Brooks, is trying to understand the nature of alien forces in the region. It is a two-part episode, consisting of the first and second episodes of the third season. It has also been linked with the preceding episode "The Jem'Hadar", to essentially form a full three episode trilogy.It marks the first appearance of the fictional spacecraft USS Defiant, which plays a large role throughout the rest of the series. It also marks the first appearance of the redesigned communicator badge after it was designed for Star Trek Generations. Source: Wikipedia (en)