It's good to see PoI getting back to the plots that matter. This episode was a great balance of a lot of different characters' stories. It was wonderful to see that Carter's involvement with the higher-ups isn't closed. Finch assuring her that it's "just a machine, how smart can it be" was priceless. Lionel being all protective and secretive was good (about time for another episode about him, I think). Seeing Zoe and Root again means we're getting back to the outstanding plots that have been on the backburner. All around a great episode.
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