List of Transformers Planets - Nebulos

Nebulos, sometimes known as Nebulon, is a planet in the fictional Transformers universes. Nebulos is a somewhat Earth-like planet far away from both Earth and Cybertron, and is the home to a humanoid race known as the Nebulans. The planet and its inhabitants were first introduced as the back story for Hasbro's new Headmaster and Targetmaster toys, later expanded by the Powermaster toys. These toys are robots that transform into vehicles or animals, and include Nebulan sidekicks that transform into the robot's head, into a weapon, or into the vehicle's engine. The toys themselves never expanded on Nebulon or its inhabitants, but both the TV series (in its fourth and final season) and the Marvel Comics comic book did, with drastically different, mutually inconsistent versions. In the TV series, the Nebulons were shown to be green-skinned. The planet Nebulos does not exist in the Japanese continuation of the franchise. Thus, with no Nebulos and no Nebulons, a different origin was given for the Headmaster and Targetmaster Transformers.

In the Marvel comic book, Fortress Maximus had grown weary of the civil war on Cybertron, and led a group of Autobots in search of a new planet where they could live in peace. They settled on Nebulos, but the Decepticons followed them. The comic book version of Nebulos is an idyllic, peaceful world where war has long since been discontinued and all weapons have been locked away. It is governed by a council of peers. The arrival of the Transformers scared the Nebulans, and they were forced to hold an emergency council meeting to deal with these strange new creatures. The Autobots wanted to live in peace with the Nebulans, but the Decepticons wanted to conquer them and kill the Autobots, so the Autobot-Decepticon civil war restarted on Nebulon. Both sides allied themselves with Nebulans, the Autobots generally with common people who had become familiar with them and did not see them as a threat, and the Decepticons generally with criminals or corrupt politicians. The Nebulans, fearing the Transformers' civil war would plunge their own world back into war, finally banished the Transformers and their Nebulan sidekicks back into space, where they finally arrived on Earth.

In the TV series, the Transformers arrived on Nebulos in the three-part episode The Rebirth, which were the only episodes of the fourth season, and the last episode ever produced in the USA. The Autobots' spaceship was plunged to Nebulos accidentally by a gigantic power surge from the Plasma Energy Chamber, and the Decepticons followed them. The TV show version of Nebulos is a hostile, dying world, where a group of eleven rulers known as "The Hive" controls the entire world from an underground city, abusing their power for their personal pleasure and oppressing the workers with various mechanical devices controlled by their minds. Upon seeing the Autobots, the Nebulon workers mistook them for machines controlled by The Hive, and imprisoned them, later to destroy them. However, an attack by the Decepticons convinced the workers that the Autobots were good guys, and so they were released and allied themselves with the workers. The Decepticons did the same with the members of The Hive (after being co-erced).

In the Ladybird books continuity, the Nebulans were a race of small transforming robots. The Nebulans have appeared once more in IDW Publishing's new continuity, in The Transformers: Stormbringer. Their planet was attacked by Thunderwing as part of an unholy pact to rejuvenate Cybertron. Despite the best efforts of the local Decepticon cell (led by Dreadwind and Darkwing) much of the planet was devastated. It also appeared chronologically earlier in the Spotlight issue on Ultra Magnus, where Scorponok was already seen to be developing the Headmaster process. Nebulos was also mentioned by Swindle in the Transformers Animated episode, Decepticon Air.