|It'snot easy kidnapping digital Nazi dads.|
I suppose we could talk about Mac staying behind in the virtual world, but one, it's a tossup over whether or not it's temporary this season, temporary into next season, or permanent. Plus they've been setting it up really obviously since the first time we saw Virtual Mac.
Aida can apprently teleport now that she has a human body and/or a magic bathrobe, which is new.
But really, this was just the well-craftied semi-culmination of a well-crafted story that's covered the second half of the season. Nothing to analyze, really, nothing to complain about.