Starmaker uniforms go from blue to red as the story progresses.
This was the last of the TV 21 Dalek stories. Alan Fennell says that the series had run its course. Had it continued, TV 21's placement of all published stories in the Century 21 universe might have led to an actual crossover.
Because of the ubiquity of this race, no attempt will be made here to list every appearance in every medium. Instead, we focus on comic appearances here, and invite you to explore a complete list of appearances elsewhere.