I'm not sure about this episode really, but it appears very popular so maybe it's just me :? It was funny at the start, but after that, for me, it was more about the story than laughs. Which if course isn't a bad thing per se, some of RD's finest episodes are more great story than laugh-a-minute hilarity. All this stuff with kidneys! Asclepius must have removed them, as that's what's stated in the episode synopsis, surely? Talking of Asclepius, yes, very good monster of the week. Good looks, slightly manic voice, maybe could have focused a bit more on the knives to increase the terror. Now, about the scene where Lister asks Cat for a kidney. I guess it's to drive the point home about how selfish he is, but for me, somehow, it all seemed very sad. I'm not used to sad scenes in RD. Cat's hair was wrong too, and his eyebrows too thick, which added to its oddness. So, I really don't know about that bit at all... Is there a series theme, perhaps, of characters becoming more than they think they are? Snacky here, and non-Einstein in Twentica? Snacky - great line = Please! I'm a stasis booth technician Liked the bazookoids firing, power station set, the space station. I can't wait to get it on Blu-Ray so I can appreciate it all in HD. So, overall = 5/10.