- Season 1 (24)
- Season 2 (24)
When a Swift support craft approaches and lands on Moonbase Alpha, they are surprised to find that the pilot is a chatty robot named Brian. He tells them that the crew of his mothership had died on the nearby Planet D, and that he has been in orbit ever since. After inviting Koenig and Helena aboard, he kidnaps them and takes them to the mysterious Planet D where he makes his true intentions known.