Changes

=== The original series ===

=== The original series ===

{{main|Star Trek (original series)}}.

{{main|Star Trek (original series)}}

The [[Star Trek (original series)|original series]] has the mostly-[[human]] crew of the ''U.S.S. Enterprise'' exploring the galaxy and performing various missions for ''Starfleet'', the authority which controls the ship.

The [[Star Trek (original series)|original series]] has the mostly-[[human]] crew of the ''U.S.S. Enterprise'' exploring the galaxy and performing various missions for ''Starfleet'', the authority which controls the ship.

== Extraterrestrial life ==

== Extraterrestrial life ==

{{main|Extraterrestrial life in Star Trek}}.

{{main|Extraterrestrial life in Star Trek}}

The drama of the shows typically arises from the crew's contact with various forms of [[extraterrestrial life]], mostly, but not always, [[humanoid]] (e.g. the "Crystalline Entity"). In various ways, the [[premise]] of the [[ancient astronaut theory]] is used to assert the seeding of [[life]] throughout the [[galaxy]] as brought up in ''The Next Generation'', although not to the overt extent of a later, unrelated, TV series, [[Stargate SG-1]].

The drama of the shows typically arises from the crew's contact with various forms of [[extraterrestrial life]], mostly, but not always, [[humanoid]] (e.g. the "Crystalline Entity"). In various ways, the [[premise]] of the [[ancient astronaut theory]] is used to assert the seeding of [[life]] throughout the [[galaxy]] as brought up in ''The Next Generation'', although not to the overt extent of a later, unrelated, TV series, [[Stargate SG-1]].