>Wow. They went for the Mirror Universe card in the first
>season? Even Enterprise didn't do that.

Yeah, it was supposed to be one of their two "big twist reveals" for the season. Problem was that they telegraphed it so hard that most fans had figured it out before the mid-season hiatus. Though, to be fair, it was at least a little bit harder to figure out than the identity of "Missy" over on NuWho, so...