I have just paid a quick visit to the site, Pete (thanks for advertising it). Space Giant is probably the scariest episode, in answer to the question; although those with Sram are close contenders. And there's a horrible moment in Zero's nightmare (Operation Zero), when kate at her piano turns round, and we see she is actually Zelda.What have you got against poor little 101? What makes you suppose he's secretly gay? (Zero's chuckle is resounding in my mind, now, imagining him reading that query!) Perhaps I missed an important scene, but did 101 spurn the long-lashed zeroid nurse in favour of one of the many "lads", or something?