Betazed is a planet in the fictional television, movie, and book series Star Trek. The Class M planet is populated by a species of telepathic humanoids, the Betazoids. They were first brought into existence on the series when a half Human, half Betazoid character named Deanna Troi was introduced as ship's counselor on the Star Trek: The Next Generation television show. A planet in common parlance is a large object in orbit around a star that is not a star itself. ... Star Trek collectively refers to six science fiction television series spanning 726 episodes, ten motion pictures, and hundreds of novels, video games, and other works of fiction, all set within the same fictional universe created by Gene Roddenberry in the early- to mid-1960s. ... In the fictional Star Trek universe, a Class M planet is the classification used to refer to planet that is suitable for supporting life. ... Telepathy from the Greek τηλε, tele, distant, and πάθεια, patheia, feeling, is the supposed ability to communicate information from one mind to another, and is one form of extra-sensory perception or anomalous cognition. ... In the fictional Star Trek universe, Betazoids are a sentient humanoid species from the planet Betazed, a member of the United Federation of Planets. ... Commander Deanna Troi is a fictional character in the Star Trek universe, played by the actress Marina Sirtis in the series Star Trek: The Next Generation (TNG), Star Trek: Voyager, Star Trek: Enterprise (the latter two only in guest appearances), and in several Star Trek films. ... The title as it appeared in most episodes opening credits. ...

The biennial Trade Agreements Conference, an interstellar congress, was held on Betazed in 2366.

Lake Cataria on Betazed was one of Deanna Troi's favorite places. The Janaran Falls is a great waterfall located on the planet.

In the final year of the Dominion War, Betazed was conquered by the Dominion. In the book the Battle of Betazed, it is shown how the planet was ruled by the Jem'Hadar and their Cardassian allies for four months.It was eventually liberated by the Betazoids using telepathic emotional projection against the Jem'Hadar.It is presumed that it was returned at the end of the war. In the fictional Star Trek universe, the Dominion War is a war between the Dominion, Cardassians and Breen on one side, and the Alpha Quadrant alliance of the United Federation of Planets, Klingon Empire, and the Romulans. ... In the fictional Star Trek universe, the Dominion is a Gamma Quadrant state, consisting of many different races. ... Ikatika, a JemHadar soldier in 2373 In the fictional Star Trek universe, the JemHadar are the shock troops of the powerful Dominion of the Gamma Quadrant. ... Cardassians, a spacefaring race in the fictional Star Trek universe, and the Cardassian Union were introduced in the Star Trek: The Next Generation episode The Wounded. Cardassians were one of the main parts of the storyline in Star Trek: Deep Space Nine. ... Ikatika, a JemHadar soldier in 2373 In the fictional Star Trek universe, the JemHadar are the shock troops of the powerful Dominion of the Gamma Quadrant. ...