Arachnerd nearly stumbled at the mention of the spider.  "W-what?  No...you're lying, you've gotta be."  He shook his head quickly.  "You can't<em>do</em>that!  Even Dr. Yesterday can't just...jump around in time!  Nobody's got that kind of power!"  He gulped quietly, apparently aware that he didn't have any better explanation for how the Spoiler knew so much.  "If you could really do that," Arachnerd managed weakly, "you wouldn't just use it to mess with me..."