For the Jimi Hendrix song, see Third Stone from the Sun.
The show also involves their relationships with humans, mostly their love interests.
For Christmas episodes, jingle bells were added to the theme.
For the sixth and final season, a modern jazz underline version of the theme was used during that season.
This show reflects human life from the perspective of aliens and many sources of humor are from the learning experiences the alien characters have.
Most of the episodes are named after the protagonist "Dick".