|First seen in:||Mindwarp|
|First mentioned in:||Vengeance on Varos|
|Appearances:||COMIC: Psychic Paper Inc Claims Department|
Thoros-Beta was a rocky planet inhabited by the Mentors and twin planet to Thoros Alpha. The many oceans of Thoros-Beta were pinkish and the sky a greenish blue. There was also a large gas giant within sight of the surface. Most of the settlements were underground and located within caverns.