My Sky Digiguide says the same thing for Wednesday as Tuesday, so I guess they haven't made an error on the website.Could be jumping to conclusions though as challenge could have made a genuine mistake on their website. Ever the optomist.
In a way, I can see why they've done this. Now they've repeated Series 3 & 4 so often in such a short space of time they know the ratings will decrease soon if they haven't already done so. I suppose we can hope they might see fit to buy the other series then restore it to the 6pm slot or another prime slot. Of course, they should have been prepared and done that already if it was their intention.
Or they may just be deciding to hide it at 5am and 10am before they get rid of it entirely. I mean, it's logical to replace one of your three top rating shows with your top rating show when you have other shows in prime time slots that are doing abysmally, isn't it?
I mustn't forget to keep watching those great Celebrity TV Bloopers!