Some of the wonkier things in the series (FunctionalMagic, for instance) might be due to the LiteraryAgentHypothesis: we're seeing this through the eyes of the admittedly-imbalanced protagonist.
[[WMG: Seven Days takes place in the Stargate Universe.]]
Well, there's no denying that the aliens are quite similar to the Asgard, and that the people Frank works for could easily be a part of the NID. Even the time travel could be cause by some sort of strange effect from the Naquadah used to power the sphere.
[[WMG: Frank is a Time Lord]]
Come on, didn't you see this coming?
* It makes sense, actually. He's pretty much the ''only'' person capable of using a time machine, in part because he's "insane". To the casual observer, ''most'' Time Lords would seem to be insane, because their minds work differently from the average human being. If he ran away from the Time War, maybe with a slightly damaged Chameleon Arch, he could have conceivably come out on Earth, appearing to be an unstable, but otherwise perfectly normal man.
[[WMG: Frank is [[Film/BackToTheFuture Doc Brown]]]]
He just went further into the future, where they have even ''better'' Rejuvenation Clinics, dumped his wife for a new model, dumped ''her'' as well, went back to the 90's, and got amnesia.