Alien Bill

The Alien Christopher copies are coming back together near the galactic drive at the heart of Planet Elizabeth. Can the Alien Characters get there in time to prevent the gooey grey blobs from reassembling into a super Alien Christopher and taking over the entire galaxy?
And speaking of blobs, what about Alien Bob? What's happening to him? Missing time, changing colour, creating four arms instead of two?
The Alien Characters quickly discover all is not what it seems when Alien Bob suddenly changes into Alien Bill. But can Alien Bill help them prevent Alien Christopher's latest plan from coming into fruition before the blob undergoes mitosis?