Both Cox Ondemand and DirectTV (As well as quite a few others apparently) have ~8 minute previews of the first episode of the Crystal Empire. It pretty much lays out the entire plot!
If you have either service, head on over to The Hub's specific category.
Video uploaded! It's cam quality, but we can't have everything right? Check your TV!
Update: Here instead.
Copyright claims took it down, The Hub is uploading it in parts: